Answer and Explanation:
Available data:
Two genes w and sn are X-linked and 25 map units apart. A female fly of genotype w+ sn+/w sn is crossed to a wild-type male w+ sn+ Y.Cross:
Parental) w+ sn+/w sn x w+ sn+ / Y
Gametes) w+sn+ (parental)
w+sn (recombinant)
w sn+ (recombinant)
w sn (parental)
Punnet square)
w+sn+ w+sn wsn+ wsn
w+sn+ w+sn+/w+sn+ w+sn+/w+sn w+sn+/wsn+ w+sn+/wsn
Y w+sn+/Y w+sn/Y wsn+/Y wsn/Y
F1) 50% of the progeny will be males.
50% of the progeny will be females.
There are two possible answers, that depends on how we might analyze the situation:
If we consider the whole progeny (males + females), the proportion of male individuals w+sn/Y will be 1/8=0.125=12.5%This is:
8 ------- 100% of male and female individuals
1 ------- X = 12.5% of w+sn/Y individuals
From the 8 genotype possibilities, there is only one possible w+ sn/Y genotype.
But if we consider only the male progeny, the 50% of the total progeny that belongs to males, represents 100% of male individuals. In this case, the proportion of male individuals w+sn/Y will be 1/4=0.25=25%This is:
4 ------- 100% of males
1 ------- X = 25% of w+sn/Y males
From the 4 male genotype possibilities, there is only one possible w+ sn/Y genotype.
list five cultural traits. give an example for each
Answer:
values and beliefs —— example: Americans believe if a person works hard,they will be successful.
Communication example:latin cultures speak spanish.
Food example: hot dogs are an American food.
Religion example: Christianity.
Traditions and customs example: in america,families gather and eat.
Explanation:
i hoep that helps
microscope help!
1. which part of the microscope provides concentration of light coming out of a light source?
a. oculars
b. objective
c. condenser
d. light bulbs on/off switch
e. none of the above
2. what is the total magnification of the cells when using the immersion objective of bright field microscope?
a. 40
b. 10
c. 100
d. 400
e. none of the above
3. the role of the immersion oil is to___
a. prevent the loss of light by refraction
b. make objective gentle touching a slide
c. magnify 1000x
d. concentrate light coming from the bulb
e. none of the above
Answer:
1. C. Condenser
2. C. 100
3. d. concentrate light coming from the bulb
Explanation:
The Condenser is the part of a microscope that helps to condense the light rays thereby making the visuals clearer and more efficient. This is possible by the increase in concentration of the rays .
The total magnification of the cells when using the immersion objective of bright field microscope is 100x.
The role of the immersion oil is to concentrate light coming out from the bulb
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Biology
Phenotypes and Genotypes
Directions: You will use the information from Mendel's experiments in the image below in order to fill in the blanks
on the following chart. After you complete this worksheet, check your answers and make any corrections. Place
the corrected worksheet in your folder orbinder.
PEA
SHAPE
PEA
COLOR
FLOWER
COLOR
POD
SHAPE
POD
COLOR
FLOWER
POSITION
PLANT
HEIGHT
Round
Yellow
Purple
Smooth
Green
Axial
Tall
RECESSIVE DOMINANT
Wrinkled
Green
White
Constricted
Yellow
Terminal
Short
Answer: the answer is genes
Explanation: you have to use your brain think of the history you have found out before and see if you can find this in your brain and if you do write it down to remember.
IMMEDIATE ANSWER NEEDED - BRAINIEST
Today, what type of degree do most astronomy positions require?
a high school diploma or bachelor’s
a bachelor’s or master’s
a master’s or PhD
a PhD or postdoc
Answer:
a PhD or postdoc
Transfer RNA molecules pick up amino acids
which are free in the cytoplasm and carry them to
b. What is the role of the loop of Henle in homeostasis?
Homeostatic mechanisms that serve to regulate extracellular fluid volume are among the functions of the Loop of Henle.
More functions of the Loop of HenleThe Loop of Henle regulates potassium, calcium, and magnesium excretion while using the least amount of energy. It also aids in the regulation of urine protein composition.
The loop of Henle is a second segment of the renal tubule that is U-shaped and placed between the proximal and distal convoluted tubules.
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2 details about chloroplast.
2 details about cell wall.
2 details about lysosome.
2 details about cytosol. (cytoplasm)
Answer:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides.
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
Cytosol It is composed of soluble ions, water, water-soluble proteins and molecules.
Cytoplasm It is composed of enzymes, water, lipids, carbohydrates, nucleic acids and inorganic ions.
What is the mRNA sequence for the template strand of DNA if it has the sequence 3’ TACAAACTAGAA 5’
a. 5’ ATGTTTGATCTT 3’
b. 5’ AUGUUUGAUCUU 3’
c. 5’ TACAAACTAGAA 3’
d. 5’ UACAAACUAGAA 3’
What are 2 similarities chromosomes you get from parents
The two similarities between chromosomes that you get from your parents are Genetic Material and Number of Chromosomes.
What more should you know about genetic materials and number of chromosomes you get from parents?In terms of Number of chromosomes: Every Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. Each parent contributes 23 chromosomes to their child, for a total of 46.
in tems of Genetic material: The chromosomes that you get from your parents contain the same genetic material. This is why you look like your parents and why you have inherited some of their traits.
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20 characters is all you need brainly so here you go.
21. Some fish, some dogs and some children are swimming in a bay. There are 40 legs in total, twice as
many heads as tails and more dogs than fish.
How many fish are in the bay?
The following shows a food chain in a garden environment.
Sun → grass → grasshopper → bird
Which statement describes the energy transfer in this food chain?
Answer:
the best transfer is the sun
Which statement is supported by this cladogram?
Answer:
Ans.
The given diagram represents a cladogram, which is used to show evolutionary relationships between various organisms or species.
The intersection points between the lines show the common ancestors, which evolved into different organisms at the end of the branches, as A, B, C, D.
The first branch end (A) represents that most primitive organism, while the last branch end (D) represents the most recent organism.
Thus, the correct answer is option). 'organism A is the most primitive organism.'
Explanation:
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
The diploid number for the tasmanian devil is.
Answer:
14.
Explanation:
A Tasmanian Devil has a diploid number of chromosome which is 14 while on the other hand, there are 7 number of chromosomes in the sex cells. The sex cells i.e. sperm and egg has haploid number of chromosome so the number of chromosomes in sex cells of Tasmanian Devil is 7 while on the other hand, in the somatic cells or body cells there is diploid means double number of chromosome so the diploid number of chromosome for Tasmanian Devil is 14.
¿A qué se refiere la sexualidad libre de coerción y violencia?
Para las mujeres y las niñas, el derecho a controlar su propio cuerpo y su sexualidad sin ningún tipo de discriminación, coerción o violencia es fundamental para su empoderamiento. Sin derechos sexuales, no pueden realizar sus derechos a la autodeterminación y la autonomía, ni pueden controlar otros aspectos de sus vidas. De hecho, son los intentos de controlar la sexualidad de las mujeres y las niñas los que dan como resultado muchos de los abusos de los derechos humanos que enfrentan a diario, incluida la violencia de género, el matrimonio forzado, la mutilación genital femenina y limitaciones en su movilidad, vestimenta y educación. , empleo y participación en la vida pública. Lo mismo ocurre con las lesbianas, los hombres gay, las personas bisexuales, las personas transgénero, las trabajadoras sexuales y otras personas que transgreden las normas sexuales y de género y que, como resultado, enfrentan un mayor riesgo de violencia, estigma y discriminación. Está claro: los derechos sexuales sustentan el disfrute de todos los demás derechos humanos y son un requisito previo para la igualdad y la justicia.
A nivel mundial, existe un gran debate sobre si definir los derechos sexuales y cómo hacerlo. IWHC cree que para superar algunas de las barreras políticas al reconocimiento, respeto, protección y cumplimiento de los derechos sexuales, necesitamos aclarar cuáles son.
IWHC, en colaboración con otras organizaciones líderes de derechos humanos y salud sexual, ha desarrollado la siguiente definición de trabajo de derechos sexuales:
Los derechos sexuales abarcan ciertos derechos humanos que ya están reconocidos en las leyes nacionales, documentos internacionales de derechos humanos y otros documentos de consenso. Se basan en el reconocimiento de que todas las personas tienen derecho, libres de coerción, violencia y discriminación de cualquier tipo, al más alto nivel posible de salud sexual; perseguir una vida sexual satisfactoria, segura y placentera; tener control y decidir libremente, y con el debido respeto a los derechos de los demás, sobre asuntos relacionados con su sexualidad, reproducción, orientación sexual, integridad corporal, elección de pareja e identidad de género; ya los servicios, educación e información, incluida la educación integral en sexualidad, necesarios para ello.
PLEASE HELP!!!!!!!!!!!!!!!!!! Dr. Budai is determined to find the best solution to help the hotel, the new species, the butterflies, and the flowering plants coexist in the same location. She is hoping to accomplish this goal by genetically modifying one of the three organisms: the new species, the butterfly, or the flowering plant.
Now that you have explored modifying a trait for one of the species in the previous activity, answer the following questions.
question 1.What was the species and trait you investigated?
question 2.Why do you think the modification you explored would best help the organisms and hotel coexist? Explain your reasoning.
question 3. Dr. Budai is hoping you can help design a different modification from the one you already explored. What modification would you suggest? Do you think it would be more or less beneficial than the modification you discussed in Question 2? Explain your reasoning.
The answers include the following:
The species and trait you investigated was the the flowering plant and the trait was the bright colored flowers. The modification I explored would best help the organisms and hotel coexist such that it will ensure that the hotel is beautified and the organism will be be attracted to the pollen grains as food.The modification I would suggest is for more nectar to be present and it would be more beneficial due to more pollination occurring.What is Pollination?This is referred to as the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilization and the production of seeds.
The modification would best help the organisms and hotel coexist such that it will ensure that the hotel is beautified and provide it with an aesthetic feeling by the visitors.
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WILL GIVE BRAINLIEST!!!
If the amount of resources in an ecosystem remain the same, will the population
A. Decrease
B. Remain the same
C. Increase
Answer:
A because of competition between the organisms.
Explanation:
the population would decrease because there eventually wouldn't be enough resources to support the population.
What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
One function of the structure labeled Y is to pump blood into the heart.
The correct option is B.
What is the structure labeled Y in the snail?Structure Y refers to the pericardial cavity which surrounds the heart in snails.
The pericardial cavity plays an important role in the circulation of hemolymph, the snail's equivalent of blood. It functions as a chamber that receives and stores oxygenated hemolymph from the gills and pumps it into the heart, which then distributes it throughout the rest of the body.
Therefore, option "pump blood into the heart" is the correct function of structure Y. Option "digest prey" is not related to the structure Y in snails, and option "remove carbon dioxide from blood" and "capture prey" are not relevant to the circulatory system of snails.
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Complete question:
A snail is shown in the diagram. What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
How would you explain the key concepts for the CWA in less than two minutes?
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
The products of photosynthesis serve as substrates for aerobic respiration, while those of aerobic respiration are utilised in photosynthesis. Considering the substrates and products of these two biological processes, discuss how they feed into one another.
Photosynthesis and aerobic respiration are two essential biological processes that are intimately connected, as they provide the basis for energy flow in most living organisms. Photosynthesis is the process by which plants and some other organisms convert light energy into chemical energy in the form of organic molecules, while aerobic respiration is the process by which cells break down organic molecules to release energy in the form of ATP (adenosine triphosphate).
The products of photosynthesis, which are organic molecules such as glucose and other sugars, serve as substrates for aerobic respiration. During aerobic respiration, these organic molecules are broken down by a series of enzymatic reactions, releasing energy that is used to generate ATP. This energy is used by the cell to carry out various metabolic processes and perform work.
On the other hand, the products of aerobic respiration, which are carbon dioxide (CO2) and water (H2O), are utilized in photosynthesis. During photosynthesis, plants and other organisms take in CO2 from the atmosphere and use it, along with water and light energy, to produce organic molecules such as glucose. This process is facilitated by a group of pigments called chlorophyll, which are located in the chloroplasts of plant cells.
Therefore, the substrates and products of photosynthesis and aerobic respiration feed into one another, creating a continuous cycle of energy flow. The organic molecules produced during photosynthesis provide the energy necessary for cells to carry out aerobic respiration, while the products of aerobic respiration are used in photosynthesis to produce more organic molecules. This cycle helps to ensure that the energy needs of living organisms are continuously met and that the environment remains in balance.
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please help me!!!!!!
Answer:
sorry I don't know
ssoorryy
Name TWO density-independent factors which could account for
the high mortality rate in India.
Explanation:
Density independent factors, in ecology, refer to any influences on a population’s birth or death rates, regardless of the population density. Density independent factors are typically a physical factor of the environment, unrelated to the size of the population in question.
which of these is an effect of an algal bloom
Answer:
An increase growth in microorganisms results in oxygen depletion
Explanation:
The growth of algal bloom is caused due to excessive runoff rich in the nutrients like nitrogen and phosphorous. This run off comes from the agricultural field.
These nutrients aids in the growth of the algae(microorganisms) in large number. This growth forms a layer on the water body and use the oxygen present in the water and makes the water oxygen deficient.
It has been proposed that the field of regenerative medicine which deals with the "process of replacing, engineering or regenerating human cells, tissues or organs” should be moving towards revitalising worn-out body parts by removing all of the cells from an organ and then infusing new cells to integrate into the existing matrix in order to restore full functionality. Discuss the idea of regeneration in this context and present an argument for or against the suggestion that all body parts should be revitalised as they get worn-out.
The potential advantages and disadvantages should be carefully considered before deciding to explore regenerative medicine on a big scale.
What are some possible advantages of rejuvenating worn-out bodily parts with regenerative medicine?Regenerative medicine has the potential to rejuvenate damaged body components, thereby improving the general health and quality of life of people with degenerative diseases or accidents by restoring full functionality to the affected areas.
What are some of the difficulties in rejuvenating every component of the body using regenerative medicine?All body parts can be rejuvenated through regenerative medicine, but there are some difficulties to overcome, such as the difficult and dangerous process of removing every cell from an organ and replacing it with new cells, the possibility of serious side effects, the risk of extracellular matrix damage, and ethical issues with resource allocation and access to care.
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I NEED HELP IN THIS ONEEE
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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Use the above facts and rules to answer the following questions. Also provide the Prolog query that would resolve the answer. What swims? Do lizards have scales? What eats fish? What do things with scales eat? Add the following rules to the program: Reptiles are things with scales that slither or crawl. Fish are things with scales that swim and eat fish. Insects fly and are eaten by reptiles and bugs.
Answer:
Fish can swim.
Explanation:
Fish are cold blooded organisms that has the ability to live and swims in the water or aquatic ecosystem. Yes, lizards have scales on their bodies because lizards belongs to the reptile family. Organism such as octopuses, squid, sharks, grizzly bears, snakes, turtles, and sea gulls feed on fish. Reptiles are the organisms whose body covers with scales.
write any three different between about dragonfly and helicopter
Natural vs. Man-Made: A dragonfly is a living creature, specifically an insect, belonging to the animal kingdom. On the other hand, a helicopter is a man-made machine, classified as an aircraft.
Method of Flight: Dragonflies fly using wings attached to their bodies, relying on their own muscle power. They have the ability to hover, glide, and change direction quickly. Helicopters, however, achieve flight through the rotation of their rotor blades, powered by engines. They can hover in mid-air, move vertically, and travel in any desired direction.
Size and Scale: Dragonflies are relatively small insects, typically measuring a few inches in length. Helicopters, in contrast, are much larger and come in various sizes, ranging from small personal helicopters to large commercial or military ones capable of carrying significant payloads.
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Plants have specialized structures that help ensure reproduction. Which statement is an example of these structures?
A. An oak tree has thick bark.
B. A banana plant has green leaves.
C. Dandelion seeds blow in the wind.
D. Carrots grow underneath the soil.
The statement that best exemplifies specialized structures in plants is C: "Dandelion seeds blow in the wind."
This statement refers to the specialized structure of dandelion seeds, which have a feathery structure called a pappus that aids in dispersal through wind. Plants have evolved various specialized structures to ensure their reproduction and dispersal. In the case of dandelion seeds, their feathery pappus allows them to catch the wind and be carried away from the parent plant to new locations where they can germinate and grow.
This adaptation increases the chances of their survival and colonization in different areas. Specialized structures in plants can also include adaptations like bright flowers and sweet nectar to attract pollinators, thorns or spines for defense against herbivores, and underground storage organs like tubers or bulbs for nutrient storage and propagation.
These structures play crucial roles in the reproductive success and survival of plants in their respective environments, allowing them to disperse their offspring, attract pollinators, defend against threats, and establish themselves in diverse habitats. Therefore, Option C is correct.
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