How many different chromosome combinations are possible through independent assortment?
At the point when these chromosome matches are reshuffled through the free grouping, they can deliver eight potential mixes in the subsequent gametes: A B C.
Autonomous variety happens precipitously when alleles of something like two qualities are varying freely into gametes.
There are 8,324,608 potential mixes of 23 chromosome matches. Subsequently, two gametes practically never have the very same blend of chromosomes. Every chromosome contains handfuls to a great many various qualities.
Mixes of qualities because of autonomous variety can be determined utilizing the recipe 2n, where n is the number of chromosome matches. - Recall that people have 23 chromosomes! The potential mixes are in excess of 70 trillion.
Chromosomes should be visible under the magnifying lens in the metaphase phase of the cell cycle. 23 sets of chromosomes are available in every cell out of which 22 are autosomes and the 23rd is the sex chromosome.
To learn more about chromosomes here
https://brainly.com/question/11912112
#SPJ4
hey, can you help me please ?
True or false ? Suggest a correction for false statements.
1. Photosynthesis allows the production of mineral materials from materials
organic matter drawn from the extracellular environment.
2. Without carbon dioxide, photosynthesis is impossible.
3. The plant performs photosynthesis to produce oxygen.
4. The root cells, unable to carry out photosynthesis for lack of light,
feed on the organic matter present in the soil.
Answer and Explanation:
1. False: Photosynthesis allows the production of organic matter from inorganic materials drawn from the extracellular environment.
2. True
3. False: The plant performs photosynthesis to produce glucose (a type of sugar) for energy and oxygen is a byproduct of this process.
4. True
Which of the following statements concerning chromosomes is/are true? Select all that apply.
selectk All That Apply
Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
Homologous chromosomes contain the same genes and the same allele combination.Homologous chromosomes contain the same genes and the same allele combination.
DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.
After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.
The true statements concerning chromosomes are:
1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
3. Homologous chromosomes contain the same genes and the same allele combination.
4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.
5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.
1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.
2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.
3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.
4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.
5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.
6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.
To know more about Chromosomes refer here:
https://brainly.com/question/30077641#
#SPJ11
the waterproof cuticle covering the epidermis of land plants helps prevent dehydration, much like the skin of some land animals. as a consequence, what other evolutionary adaptation was important for most land plants?
Leaves are tailored for photosynthesis and gaseous exchange. To lessen water loss the leaf is lined in a waxy cuticle to forestall the water vapour escaping thru the epidermis.
They are tailored for photosynthesis via way of means of having a big floor area, and comprise openings, called stomata to permit carbon dioxide into the leaf and oxygen out. Although those layout capabilities are correct for photosynthesis, they are able to bring about the leaf dropping lots of water.
The cells in the leaf have water on their floor. Some of this water evaporates, and the water vapour can then get away from in the leaf. When water evaporates from the leaves, ensuing in greater water being drawn up from the roots, it's miles called transpiration.
Leaves typically have fewer stomata on their pinnacle floor to lessen this water loss.
Leaves allow photosynthesis to occur. Photosynthesis is the manner via way of means of which leaves take in mild and carbon dioxide to supply glucose (food) for plant life to grow. Leaves are tailored to carry out their function, eg they have got a big floor area to take in sunlight.
Plants have differing types of 'transport' tissue, xylem and phloem. These specialized tissues pass materials in and across the plant.
Learn more about leaves here https://brainly.com/question/24234175
#SPJ4
13. How does meiosis create genetic variation? Why is this important?
Answer: Meiosis creates genetic variation in a few ways. One way is through independent assortment, which is when the homologous chromosomes line up randomly during meiosis I. Another way is crossing-over, which is when homologous chromosomes break and exchange pieces during meiosis I.
Genetic variation is important because it helps ensure that the population can adapt to changes in the environment. If all the individuals in a population are exactly the same, then they are all equally vulnerable to changes in the environment, such as a new disease. However, if there is genetic variation, then some individuals may have the genes that make them resistant to the new disease. This means that the population as a whole is more likely to survive.
Explanation:
HELP ASAP PLEASE How does exercise increase oxygen intake by the cells? A) It increases blood flow. B)It increases the release of carbon monoxide through the lungs. C)It increases the production of blood proteins which improves structures of the brain. D)It encourages tissue growth.
Answer:
A
Explanation:
What is one thing people can do to reduce the amount of carbon in theatmosphere?A. Plant more trees.OB. Drive longer distances.OC. Use more electricity.OD. Burn more fossil fuels.
Reduction of carbon in the atmosphere
Plants consume carbon dioxide (CO2) in the process of photosynthesis as a substrate to form their food, i.e, sugars such as glucose, following the formula:
6 CO2 + 6 H2O + light --
Bobs father has brown eyes and his mother has blue eyes. Bob has blue
eyes. What is phenotype of Bobs father?
BEST ANSWER GETS BRAINLIEST FOLLOW FIVESTAR AND THANK YOU
Which sentence correctly explains the process and conditions needed for sleet to form? (15 pointsss :)
Group of answer choices:
A. During thunderstorms and extremely cold temperatures, water droplets freeze in layers and form balls or chunks of ice.
B. Both the temperature of the cloud and the temperature of the air must be below freezing in order for the flakes to fall from the sky.
C. A liquid form of precipitation that is formed in above freezing temperatures becomes heavier as it falls the ground in the form of raindrops.
D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.
green was not the impostor
Explanation:
u are all idiots
Answer:
gerijddhbdykbzdkvci
One of the effects of Topamax is to inhibit carbonic anhydrase. Predict the effect of Topamax on the function of each of the following cells:
a. Osteoclasts (bone)
b. Parietal cells (stomach)
c. Red blood cells (blood)
d. Epithelial cells of the proximal tubules (kidney)
Carbonic anhydrase is an enzyme that catalyzes the reversible reaction of carbon dioxide and water to form bicarbonate and protons.
Inhibition of carbonic anhydrase by Topamax can have various effects on different cells, depending on their dependence on this enzyme.
a. Topamax may decrease bone resorption by inhibiting the activity of osteoclasts.
b. Topamax may decrease the secretion of hydrochloric acid in the stomach by inhibiting parietal cells.
c. Topamax may lead to impaired carbon dioxide transport in red blood cells, leading to respiratory acidosis.
d. Topamax may lead to metabolic acidosis by inhibiting bicarbonate reabsorption in epithelial cells of the proximal tubules of the kidney.
Learn more about Carbonic anhydrase
https://brainly.com/question/24164978
#SPJ4
The Solar System is made up of gas, dust, and then was put together in a unique way. For planet Earth, all of the objects around us are made up of solid material. What best describes the area we are in?
Group of answer choices:
Asteroid Belt
Gas Giant Planets
Terrestial Planets
Kuiper Belt
Answer:
Terrestial Planet
Explanation:
Earth has a rocky surface like other planets such as Mars, Mercury, and Venus.
Which tissue type forms the interior and exterior surfaces of the body and creates surfaces for protection, absorption, and excretion
Answer:
epithelial tissue
Explanation:
The cells in this tissue are tightly packed within a thin ECM. Forming sheets that cover the internal and external body surfaces (surface epithelium) and secreting organs (glandular epithelium). Functions of epithelial tissue are secretion, protection, absorption, transportation and special sensory receptive.
Name the three general categories into which the
elements are divided
Answer:
metals, nonmetals and metalloids
Answer:the three main classes of elements are metals on the left side,metalloids on the staircaide,and nonmetals on the right hand side
Explanation:
Describe in detail any four types of inheritance with example
classes. Represent each type with suitable diagram.
The types of inheritance include:
SINGLE INHERITANCE MULTIPLE INHERITANCEHIERARCHICAL INHERITANCE MULTILEVEL INHERITANCE How to explain the information1) SINGLE INHERITANCE : A child/derived class is derived from only one parent/base class.
EXAMPLE : Dog Class inherits the Animal class.
2) MULTIPLE INHERITANCE : A child/derived class is derived from more than one parent/base class.
EXAMPLE : A class Bat is derived from base classes Mammal and WingedAnimal.
3) HIERARCHICAL INHERITANCE : More than one child classes are derived from single class.
EXAMPLE : Physics, Chemistry and MAths are derived from Science Class.
4) MULTILEVEL INHERITANCE : A derived/child class is derived from a parent class which is derived from a single parent class.
EXAMPLE : Babydog inherits the Dog class which again inherits the animal class.
Learn more about inheritance on
https://brainly.com/question/15078897
#SPJ4
2. Which group of animals is found in a water habitat?
A dolphin, carabao, cat
C. cat horse, goat, monkey
B. fish, squid, crab
D. tadpole, grasshopper, hawk
Answer:
B) . fish, squid, crab
Explanation:
Y YOU CAN MARK ME AS BRAINIEST IF YOU WANT
Why does photosynthesis mainly take place in plant cells?.
Answer:
so the plant an produce food
Explanation:
human chorionic gonadotropin (hCG)
The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called
The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called human chorionic gonadotropin (hCG).
Human chorionic gonadotropin (hCG) is a hormone that is produced by cells around the embryo, that is, trophoblastic cells that develop into the placenta, after fertilization. Its main function is to maintain the corpus luteum during the early stages of pregnancy. The corpus luteum is a temporary endocrine structure that develops after the release of an egg from the ovary, that is, after ovulation. It produces progesterone, which is essential for the maintenance of pregnancy in humans.
If an egg is fertilized by a sperm, the resulting embryo secretes hCG, which signals the corpus luteum to continue producing progesterone. This is necessary to prevent the lining of the uterus from shedding and to maintain the pregnancy. If the corpus luteum did not receive this signal, it would degenerate after about 12 days, and progesterone levels would decline. This would cause the lining of the uterus to be shed and menstruation to occur. The levels of hCG in a woman's blood and urine can be used to diagnose pregnancy. hCG levels rise rapidly in the first few weeks of pregnancy and can be detected by a blood or urine test. After about 10 weeks of pregnancy, hCG levels start to decline and eventually level off.
To know more about embryo visit:
https://brainly.com/question/30808880
#SPJ11
describe the pathway of oxygenated and deoxygenated blood flow through the heart
Answer:
Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart.
Explanation:
i hope it helps..
Which feature is used to identify the ecdysozoans? A) shedding their exoskeleton. B) presence of an endoskeleton. C) parasitic lifestyle. D) asexual reproduction adapted to aquatic habitats
The feature used to identify ecdysozoans is "shedding their exoskeleton" (option A). This process, known as ecdysis, involves periodically shedding their outer protective covering to accommodate growth.
Ecdysozoans are a group of invertebrate animals characterized by their ability to molt or shed their exoskeleton. This feature sets them apart from other animal groups.
Ecdysis allows ecdysozoans to grow and develop as they shed their old exoskeleton and replace it with a new, larger one. This process is essential for accommodating the growth of the organism.
Ecdysozoans include a diverse range of animals such as insects, spiders, crustaceans, and nematodes. They exhibit various adaptations and lifestyles, but the common trait of shedding their exoskeleton during growth unifies them as a distinct group.
By shedding their exoskeleton, ecdysozoans can continue to thrive and adapt to their changing environment.
Learn more about ecdysozoans here:
https://brainly.com/question/28964725
#SPJ11
What are two crucial functions of the carbon cycle?
A. Keeps carbon dioxide from escaping atmosphere and slows diffusion
B. Prevents bicarbonate formation and slows photosynthesis
C. Provides fossil fuels and recycles carbon dioxide
D. Prevents carbon dioxide from entering atmosphere and dissolves fossil fuels
what event that occurred around 10,000 years ago led to genetic changes in wheat? a) domestication of livestock b) mass extinction of herbivores c) domestication of the wheat plant d) invention of genetic engineering
Domestication of the wheat plant occurred around 10,000 years ago and resulted in genetic changes in wheat. The correct answer is option(c).
Domestication is a maintained multi-generational connection at which point persons assume an important strength of control over the duplication and care of another group of creatures to secure a more certain supply of possessions from that group.
The preparation of wheat about 10,000 before apparent an exciting retire the happening and development of human civilization, as it allowed the change from a chaser-hoarder and itinerant peaceful association to a more lazy agrarian individual. Domestication of the wheat plant occurred around 10,000 years ago and resulted in genetic changes in wheat.
To know more about Domestication refer to: https://brainly.com/question/4914896
#SPJ4
Which cell structures are MOST DIRECTLY involved in protein synthesis in cells?
cell wall and nucleus
vacuoles and ribosomes
cell membrane and cytoplasm
nucleus and ribosomes
Answer FAST
help taking final will give the breian thing
what is your question? i cant download it
What absorbs water in the digestive system
Your answer is Small Intestine.
Your small intestine makes digestive juice, which mixes with bile and pancreatic juice to complete the breakdown of proteins, carbohydrates, and fats. Bacteria in your small intestine make some of the enzymes you need to digest carbohydrates. Your small intestine moves water from your bloodstream into your GI tract to help break down food. Your small intestine also absorbs water with other nutrients.
Answer: Small intestine
Either you put small intestine in the wrong place, or you're able to put the same one for multiple questions
why does the sodium potassium pump require ATP?
Answer:
The sodium–potassium pump is found in many cell (plasma) membranes. Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are imported into the cell.
Explanation:
Hope I helped!
The SOS system repairs DNA that has gaps, breaks, and other lesions by
A) cutting DNA from other parts of the genome and pasting it into the gaps or damaged areas.
B) stabilizing single-stranded DNA until the next round of normal replication.
C) using specialized DNA polymerases that will synthesize a new DNA strand even if there is not a normal complementary DNA strand to act as a template.
D) using available mRNA and a special RNA-dependent DNA polymerase to fill in the gaps and replace damaged DNA.
The SOS system repairs DNA that has gaps, breaks, and other lesions by B) stabilizing single-stranded DNA until the next round of normal replication.
The SOS system is a DNA repair mechanism that is activated when a cell's DNA is extensively damaged, such as by gaps, breaks, or other lesions. The main function of the SOS system is to allow the cell to bypass the damaged DNA and continue with replication to prevent the formation of lethal mutations.
Option B states that the SOS system stabilizes single-stranded DNA until the next round of normal replication. This is the correct answer. When the SOS system is activated, it produces proteins that bind to and stabilize the single-stranded DNA regions caused by the DNA damage. By stabilizing the single-stranded DNA, the SOS system prevents the DNA from undergoing degradation or recombination and allows it to serve as a template for DNA replication in the next round.
Option A is incorrect because the SOS system does not involve cutting DNA from other parts of the genome and pasting it into the damaged areas. Option C is incorrect because the SOS system does not use specialized DNA polymerases that can synthesize new DNA strands without a normal complementary DNA template. Option D is also incorrect because the SOS system does not use mRNA and RNA-dependent DNA polymerase to fill in the gaps and replace damaged DNA.
To learn more about replication, here
https://brainly.com/question/31845454
#SPJ4
define each characteristic of life
Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
What is special about australia’s ""fairy penguin"" species?.
Answer:
Fairy penguins (Eudyptula minor), also known as little penguins, are tiny, slate-blue animals found along the coastlines of southern Australia and New Zealand. Not only are they more colorful than most aquatic birds, but they're also notably smaller, growing to be less than a foot tall and about 2.5 pounds.
Biodiversity is important to human society because it *
Answer:
Biodiveristy is important to humans because it provides a good functioning ecosystem that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.
Explanation:
Describe t
he process of a diffusion and osmosis in daily life biological processes.
Answer:
Opinion
Explanation:
"should have to"