In the year 2500, five male space colonists and five female space colonists (all unrelated to each other) settle on an
uninhabited Earthlike planet in the Andromeda galaxy. The colonists and their offspring randomly mate for generations. All
ten of the original colonists had free earlobes, and two were heterozygous for that trait. The allele for free earlobes is
dominant to the allele for attached earlobes.
Which of these is closest to the allele frequency in the founding population?
A) 0. 4 a, 0. 6 A
B) 0. 5 a, 0. 5 A
C) 0. 2 a, 0. 8 A
D) 0. 8 a, 0. 2 A
E) 0. 1 a, 0. 9 A
(please explain)
Answers
The closest allele frequency in the founding population is E) 0.1 a, 0.9 A.
In the year 2500, five male and five female space colonists settle on an uninhabited Earthlike planet in the Andromeda galaxy. The ten colonists all have free earlobes, and two are heterozygous for that trait. The allele for free earlobes is dominant (A) to the allele for attached earlobes (a). To determine the allele frequency in the founding population, we first need to find the total number of A and a alleles.
Since free earlobes are dominant and two individuals are heterozygous (Aa), the remaining eight must be homozygous dominant (AA) to express the free earlobe trait. Thus, there are 18 A alleles (8 AA individuals × 2 A alleles per individual + 2 Aa individuals × 1 A allele per individual) and 2 a alleles (2 Aa individuals × 1 a allele per individual) in the founding population.
Next, we calculate the allele frequency by dividing the number of each allele by the total number of alleles (20 in this case, as there are 10 individuals × 2 alleles per individual). For A alleles, the frequency is 18/20, which is equal to 0.9. For a alleles, the frequency is 2/20, which is equal to 0.1.
To know more about allele frequency, refer to the link below:
https://brainly.com/question/29563534#
#SPJ11
Related Questions
How did beadle and tatum’s work on auxotroph’s suggest that metabolism was controlled by protein enzymes?
Answers
Beadle and Tatum's work on auxotroph's suggested that metabolism was controlled by protein enzymes by identifying the link between genes and enzymes. This theory is also referred to as "one gene, one enzyme hypothesis" as stated in their experiment.
The experiment was conducted using a bread mold called Neurospora crassa, where they grew the mold on a minimal growth medium that lacked specific nutrients. The scientists observed that certain mutations in the mold led to the inability to grow on this minimal growth medium. They identified the mold that could grow on a medium containing arginine, but failed to grow on a medium that lacked arginine. They then discovered that the mutated molds were deficient in producing specific enzymes required to produce arginine and could only grow on a medium containing arginine.Since the mutants required a specific nutrient that the wild types did not, Beadle and Tatum postulated that the mutations were caused by altered or disrupted genes that affect the enzymes produced by these genes.
Thus, the mutants were unable to produce the required enzymes, which resulted in their inability to grow on the minimal growth medium. Therefore, the experiment concluded that one gene encoded for one enzyme which was responsible for controlling the metabolic pathway of producing arginine. The experiment showed that each gene encoded for a specific enzyme in the metabolic pathway that controlled the production of arginine.
know more about Neurospora crassa click here:
https://brainly.com/question/29661931
#SPJ11
what structural features of alveoli make them an ideal place for gas exchange
Answers
The structural features of alveoli make them an ideal place for gas exchange due to their large surface area and thin walls.
Alveoli are tiny, balloon-like structures found in the lungs. They are surrounded by an extensive network of capillaries, where the exchange of gases takes place. The large number of alveoli in the lungs provides a significantly large surface area for gas exchange to occur. This increased surface area allows for a greater amount of oxygen to diffuse into the bloodstream and carbon dioxide to be removed efficiently. Furthermore, the walls of the alveoli are extremely thin, consisting of a single layer of epithelial cells. This thinness enables gases to diffuse quickly across the alveolar membrane. The close proximity of the alveolar walls to the capillaries allows for a short diffusion distance, ensuring a rapid exchange of gases. Overall, the combination of the large surface area and thin walls of alveoli maximizes the efficiency of gas exchange in the lungs, facilitating the uptake of oxygen and the removal of carbon dioxide from the bloodstream. This ensures an adequate oxygen supply for cellular respiration and the elimination of waste gases produced by metabolic processes.
Learn more about Alveoli here:
https://brainly.com/question/21341368
#SPJ11
Which feature must a community have in order to use wind energy?
A. An average elevation change of 20 feet per mile to allow the wind
to flow downhill
B. Molten rock near groundwater supplies
C. Nets to keep birds and bats away from the turbines
D. An average wind speed of at least 15 miles per hour and enough
land to build several wind turbines
PLEASE HELP ASAP
Answers
molten rocck near ground water supplies
Which is the equation for photosynthesis?
Answers
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
ASAP!! how does a temperate coniferous forest differ from a taiga forest? (select all that apply).
A. they have coiferous trees
B. they have warm summers
C. they are found near the coastline
D. they receive a good amount of rainfall
Answers
The coniferous forest is different from a taiga forest due to having coniferous trees, warm summers and receive a good amount of rainfall.
What is coniferous forests?Coniferous forest has cone-bearing needle-leaved and evergreen trees. This type of forests are found in areas that have long winters and moderate to high annual precipitation so we can conclude that coniferous forests have coniferous trees, warm summers and a good amount of rainfall.
Learn more about forests here: https://brainly.com/question/11076581
Segmented worms with bodies are _____.leechesscallopsearthwormsnautiluspolychaeta
Answers
Annelida are worms whose bodies are divided into similar rings or segments. they are classified into three groups, Polychaeta, Oligochaetes, Hirudine, and Achaea.
Polychaeta is the bigger group in the Annelida, and everyone has equal segments.
Leeches are segmented parasitic predatory worms in the Hirudinea subclass, in the Annelida phylum.
The scallop is a name of various species and does not belong to the Annelida phylum.
The earthworm is a terrestrial invertebrate that belongs to the Annelida Phylum.
Nautilus is from the Mollusca phylum and does not belong to the Annelida.
The subphylum Polychaeta, the leaches, and the earthworm are the ones that match the description of segmented worms
which strategy for capturing energy came last? group of answer choices methanogenesis oxygenic photosynthesis aerobic respiration fermentation anaerobic respiration
Answers
The Methanogenesis strategy for capturing energy came at last.
So, the correct answer is A.
Methane is the end product of metabolism and is produced by methanogenesis, and anaerobic respiration. Organic matter, such as glucose, is oxidized to \(CO_{2}\) in aerobic respiration, while \(O_{2}\) is reduced to \(H_{2}O\). \(H_{2}\) is oxidized \(H^{+}\) while \(CO_{2}\) converted \(CH_{4}\) during hydrogenotrophic methanogenesis, in contrast. Methanogenesis differs from other forms of respiration in key ways, including the low energy output (less than one ATP is produced for every methane produced) and the fact that it is only carried out by methanogens, or creatures with this particular metabolism.
Archaea are the only organisms that makeup methanogens. They cannot develop via fermentation or other alternate electron acceptors for respiration, making them obligatory methane makers. Last but not least, methanogens are strict anaerobes that cannot develop in the presence of oxygen.
Learn to know more about Methanogens on
https://brainly.com/question/13666671
#SPJ4
identify the function(s) of the viral capsid. choose one or more: a. is necessary for rna virus attachment b. contains virulence factors that increase the severity of viral disease c. determines the shape of the virion d. protects the viral genome
Answers
Determines the shape of the virion was the function(s) of the viral capsid. Option (c).
What exactly is a viral capsid?The primary purpose of viral capsids, which are nanometer-sized containers with complicated mechanical characteristics, is to encapsidate the viral genome in one host, transfer it, and then release it into another host cell.
A helical virus's viral nucleic acid coils into a helical shape, and the capsid proteins spiral around the nucleic acid's interior or exterior to create a long tube- or rod-like structure . The nucleocapsid is made up of the nucleic acid and the capsid.
Learn more about viral capsid
https://brainly.com/question/25030164
#SPJ4
What is the central idea of Food Safety Myths Exposed?
Answers
Which equation belongs with diagram A?
Answers
Answer:
B is your answer!!!
No specific explanation...
HOPE THIS HELPS!
Why are flood plain soils particularly fertile
Answers
Answer:
Due to the deposition of silt.
Explanation:
The Floodplain is a generally flat area of land next to a river or stream. When the river floods, water containing sediments and particles from the upper course and middle course of the river gets washed onto the Floodplain. The nutrients front these sediments and the water is absorbed into the soil for it's enrichment and fertilisation.
Please mark BRAINLIEST, will follow!
URGANT HELP!!!
Need help with crossword only have three left
#7 clue: This occurs over polar regions at certain times of the year. (2 words)
#11 clue: This type of forest is a nonrenewable resource. (3 words)
#21 clue: This refers to the number of different species in the biosphere. (2 words)
*Will give Brainliest*
Answers
Answer:
7. frigid zone
11. Tropical Rain Forest
21. biological diversity
Explanation:
Could you guess give me a science fair project idea or just a simple question? One that's unique, easy to prove, and not stu pid!
Answers
Lol I’ve never really done a science fair project but here’s some more ideas:
Does music affect on animal behavior?
Does the color of food or drinks affect whether or not we like them?
Where are the most germs in your school?
Does music have an affect on plant
growth?
Which kind of food do dogs (or any animal) prefer best?
place in chronological order the developments in human culture associated with richard wrangham’s cooking hypothesis.
Answers
The developments in human culture associated with Richard Wrangham's cooking hypothesis can be placed in chronological order as follows: (1) Control of fire, (2) Use of tools and utensils, (3) Social organization and division of labor, (4) Evolution of smaller jaws and teeth, and (5) Increase in brain size and cognitive abilities.
According to Richard Wrangham's cooking hypothesis, the control of fire and the adoption of cooking played a significant role in shaping human evolution and culture. The chronological order of the developments associated with this hypothesis is as follows:
Control of fire: The ability to control fire allowed early humans to cook food, which provided several advantages such as increased nutrient availability and reduced the need for large teeth and jaws to process raw food.
Use of tools and utensils: As humans began cooking, the use of tools and utensils became important for food preparation, such as cutting, grinding, and mixing ingredients.
Social organization and division of labor: Cooking likely led to the development of social structures and division of labor, where individuals specialized in different tasks related to food acquisition, preparation, and sharing.
Evolution of smaller jaws and teeth: With the regular consumption of cooked food, humans experienced changes in their anatomy, including smaller jaws and teeth, as the need for chewing and processing raw, tough food diminished.
Increase in brain size and cognitive abilities: The adoption of cooking allowed early humans to access a wider range of nutrient-dense foods, which in turn provided the energy necessary for the development of larger brains and increased cognitive abilities.
Learn more about hypothesis here:
https://brainly.com/question/29519577
#SPJ11
s it ever possible for an offspring to be born with blood type o if one of their parents was homozygous recessive for o and the other was homozygous for blood type a or b?
Answers
Yes, Thus there is a chance of one child with O blood group 1 out of 4.
What is meant by blood group?
The four main blood types (groups) are A, B, AB, and O. The genes you inherited from your parents define your blood type.There are a total of 8 blood types, each of which can be either RhD positive or RhD negative.One of the uncommon blood types is B negative (B -ve), which makes up 1.5% of the population.AB negative, or AB -ve, which makes up 0.6% of the population.AB positive (AB +ve), which affects 3.4% of the population as a whole.Only 1% of our donors have AB negative, the rarest of the eight major blood types. Despite being uncommon, there is little demand for AB negative blood, and donors are easy to come by.To learn more about blood group refer to
https://brainly.com/question/15289194
#SPJ4
to possess optical activity, a compound must be: group of answer choices complex. of biological origin. asymmetric. colored. composed of at least three different types of atoms.
Answers
A compound must be asymmetric to possess optical activity. Optical activity refers to the ability of a substance to rotate the plane of polarized light.
Why does this optical phenomenon occur?This phenomenon occurs because the substance has a chiral or asymmetric molecular structure, which means that it cannot be superimposed on its mirror image. As a result, the molecule interacts differently with polarized light depending on its orientation, causing the rotation of the plane of polarization.
What is polarization?Polarization is a property of waves that describes the orientation of the oscillations in the wave. It refers to the direction of the electric field vector in an electromagnetic wave, which can be oriented in different directions with respect to the direction of wave propagation.
To learn more about light, visit here:
https://brainly.com/question/15200315
#SPJ4
If I suggest to you that the reason men used to inherit their jobs from their fathers is because there must be an assurance that a labor role will always be filled, then I am proposing a(n) _____________________ hypothesis.
Answers
If you suggest that the reason men used to inherit their jobs from their fathers is that there must be an assurance that a labor role will always be filled, then you are proposing a functionalist hypothesis.
A functionalist hypothesis is based on the perspective of functionalism, which views society as a complex system with interconnected parts that work together to maintain social stability and order. According to functionalism, social institutions, roles, and behaviors exist because they serve a purpose in maintaining the overall functioning of society. In this case, the hypothesis suggests that the practice of job inheritance in patriarchal societies serves the purpose of ensuring a continuous labor force by guaranteeing that specific roles are always filled.
The functionalist perspective argues that social structures and practices emerge and persist because they contribute to the overall functioning and stability of society. In the context of job inheritance, the hypothesis suggests that this practice helps maintain social order by providing stability in labor roles and avoiding disruptions that may arise from job vacancies. It implies that the tradition of passing down jobs from fathers to sons serves a functional purpose in ensuring the smooth functioning of the labor system within a society.
Learn more about job inheritance here:
https://brainly.com/question/26802593
#SPJ11
Differentiate between invitro and invivo fertilization
Answers
Explanation:
Hope it will help you.❣️
A species is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring—but do not produce viable, fertile offspring with members of other such groups. Reproductive compatibility unites members of a biological species.
Answers
A species is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring—but do not produce viable, fertile offspring with members of other such groups. Reproductive compatibility unites members of a biological species.
A biological species is a group of related organisms capable of interbreeding and producing fertile offspring under natural conditions, but incapable of interbreeding with other organisms outside the group. The primary criterion for determining whether two or more groups of organisms are separate species is reproductive isolation, or the inability of members of one group to interbreed successfully with members of the other group.
The primary mechanism for speciation is the development of reproductive barriers between previously interbreeding populations. These barriers can be prezygotic, which prevent mating or fertilization, or postzygotic, which result in hybrid sterility or death.Reproductive compatibility, which is the ability of two individuals to produce viable and fertile offspring, unites members of a biological species. This means that reproductive compatibility is a defining characteristic of a biological species, as it is what sets them apart from other groups of organisms. It is the basis for the reproductive isolation that separates members of different species, and it is the mechanism by which new species arise over time.
To know more about offsprings visit:
https://brainly.com/question/32331453
#SP11
How does the cell wall protect a plant cell? A) The cell wall protect the cell by providing support and maintaining the cell's shape. B) The cell wall protects the cell by storing food so the plant doesn't run out. C) The cell wall is thin and flexible, which allows the cell to be moved without harming the organelles. D) The cell wall is on inside of the cell and serves to contain the contents of the cell.
Answers
Answer: the cell wall protects the cell by providing support and maintaining the cells shape
Explanation:
The cell wall protects the cell by providing support and maintaining the cell's shape.
CELL WALL:
The cell wall is a structure found in certain cells like plant cells, Bacteria cell etc. The cell wall is located outside the cell and bounds the cell content. The cell wall of plants majorly contain a polysaccharide called cellulose. The cellulose content of plants cell wall is responsible for its protective function by giving the cell a rigid shape. The plant cell wall helps protect the plant cell by providing support and maintaining the cell's shape.Learn more at: https://brainly.com/question/11898425?referrer=searchResults
which of the cell types would secrete their product if the body was under stress, as during an intense workout? a)alpha cells b)beta cells c)pancreatic d)acinar cells
Answers
The cell type that would secrete its product if the body was under stress, as during an intense workout, is the pancreatic cell. However, it should be noted that there are different types of pancreatic cells, such as alpha and beta cells.
Alpha cells are responsible for producing glucagon, which raises blood sugar levels, while beta cells produce insulin, which lowers blood sugar levels. During an intense workout, the body requires more energy, and therefore, the pancreas will release more glucagon and insulin to regulate blood sugar levels and ensure that the body has enough energy to perform the physical activity.
Additionally, acinar cells are responsible for producing digestive enzymes, and they are not directly involved in regulating blood sugar levels during physical activity.
So, in summary, pancreatic cells, including both alpha and beta cells, would secrete their products if the body was under stress, as during an intense workout.
To know more about cell type, refer
https://brainly.com/question/13920046
#SPJ11
What do nucleosomes do?
Answers
Answer:
Nucleosomes are the basic packing unit of DNA built from histone proteins around which DNA is coiled. Explanation: They serve as a scaffold for formation of higher order chromatin structure as well as for a layer of regulatory control of gene expression.
Answer:
Nucleosomes are the particles in DNA that are responsible for compaction and transcription, and may also carry hereditary information.
Hope this helps!
Bacteria can reproduce quickly by means of binary fission because of this binary fission
Answers
Although part of your question is missing, you might be referring to this full
question:
Bacteria can reproduce quickly by means of binary fission. Because of this, after binary fission
A) the offspring will have traits of both parents.
B) there is genetic variation among the offspring.
C) all the offspring will be genetically identical.
D) none of the offspring will be genetically like the parents.
Bacteria can reproduce quickly by means of binary fission. Because of this, after binary fission, all the offspring will be genetically identical.
Binary fission is a type of asexual reproduction that occurs in bacteria. In binary fission, a single organism is divided into two daughter cells. Binary fission is a relatively simple process as compared to mitosis.
The two daughter cells are genetically similar to each other. They are identical to each other.
Know more about Reproduction.
https://brainly.com/question/16331915
How did green algae come about
Answers
Answer:
Green algae grow at the edges of a glacial lake in Wales. Hundreds of millions of years ago, similar algae adapted to survive temporarily outside of the water may have kicked off the evolution of green land plants.
Algae didn't always hang out in the seas, but one fateful day, about a billion years ago, a simple bacterial cell swallowed a cyanobacteria cell, writes Ed Yong at The Atlantic. This chance occurrence allowed the bacteria to produce energy from the sun, a process known as photosynthesis.
Explanation:
where blood exits the heart
Answers
Answer: the pulmonic valve
Explanation:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
how does our bodies sometimes act like a thermostat
Answers
define inflammation????????
Answers
Answer:
Inflammation is a process by which your body's white blood cells and the things they make protect you from infection from outside invaders, such as bacteria and viruses.
Explanation:
I got this from my notes, since I am studying it rn. Hope this helped:)
What 5 conditions need to be met for a population to be genetic equilibrium
Answers
In order to meet a genetic equilbrium, a population should:
1. Have no changes in the DNA sequence.
2. Be a very large population.
3. Perform random mating.
4. Have no migration movements taking place.
5. Have no natural selection occuring.
What discovery did Galileo make when observing Jupiter?
Answers
Answer:
the mons of jupiter
Explanation:
All organisms on Earth have_______that are made of DNA and function in a similar way.
i dont know man :,)
Answers
Answer:
Every living things is made up of cells.
Explanation:
Answer:
nucleus
Explanation:
A nucleus is a small organelle that holds DNA which control's the cells activity.