How different genes independently separate from one another when reproductive cells develop.

Answers

Answer 1

Genes independently separate from one another during the formation of reproductive cells through a process called segregation.

During the formation of reproductive cells (gametes) in organisms, a specialized cell division called meiosis occurs. Meiosis consists of two successive rounds of cell division, resulting in the production of four haploid cells (gametes) from a diploid cell.

One of the key events in meiosis is the separation of homologous chromosomes during the first division (meiosis I) and the separation of sister chromatids during the second division (meiosis II). This segregation process allows genes located on different chromosomes or on non-homologous regions of the same chromosome to independently assort and distribute into different gametes.

During meiosis I, homologous chromosomes pair up and may undergo genetic recombination through a process called crossing over. This recombination can further increase the genetic diversity of the resulting gametes. Then, the homologous chromosomes separate and are distributed into two separate cells.

In meiosis II, the sister chromatids, which are identical copies of each chromosome, separate and move into separate cells, resulting in the final four haploid gametes.

Overall, the process of meiosis ensures the independent segregation of genes located on different chromosomes or on non-homologous regions of the same chromosome, contributing to genetic diversity and the production of unique combinations of genetic information in the offspring.

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Related Questions

Question 58
The control of bloodborne pathogens is regulated by
a. OSHA
b. USDA
c. NIH
d. CDC

Answers

The control of bloodborne pathogens is regulated by OSHA (Occupational Safety and Health Administration).

OSHA is responsible for regulating workplace safety in the United States, including the control of bloodborne pathogens to protect workers from the risk of infection. The Bloodborne Pathogens Standard sets requirements for employers to implement measures such as providing personal protective equipment, establishing exposure control plans, and providing training to employees.

It is a federal agency that is responsible for ensuring safe and healthy working conditions for employees in the United States. OSHA has established regulations to control the exposure of workers to bloodborne pathogens, such as HIV and hepatitis B and C viruses, which can be transmitted through blood or other potentially infectious materials (OPIM).

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Which letter from the fungus diagram represents the hyphae?
A
B
C
D

Which letter from the fungus diagram represents the hyphae?ABCD

Answers

Answer:

C

Explanation:

Hyphae is the vegetative growth of fungi.

it is long and filamentous in nature and is

analogous to the rhizoids of runner plants. A

network of many crisscrossing hyphae is called

mycelium, When a hyphae branches vertically

upwards to give rise to a sporanguim, it is

called sporangiophore (such as the case in

the attached diagram

HOPE IT HELPS

Answer:

hii umm DONT LISTEN TO HIM the answer is listed down below

Explanation:

the answer is point D because if you look it up

it says that that place prat is the Hyphae

it's the roots

Action potentials depend on sodium (Na ) ions being more highly concentrated outside a neuron and potassium (K ) ions being more concentrated inside a neuron. However, Hodgkin and Huxley determined that there is pressure for Na ions to move into a resting neuron and pressure for K ions to move out of a resting neuron and that these ions actually leak across the membrane. How do neurons counteract this leaking and maintain the imbalance between these ions

Answers

An action potential is an electrical impulse that propagates down the axon of a neuron, resulting in the release of neurotransmitters from the synaptic terminals. Action potentials depend on sodium (Na+) ions being more highly concentrated outside a neuron and potassium (K+) ions being more concentrated inside a neuron.

However, Hodgkin and Huxley determined that there is pressure for Na+ ions to move into a resting neuron and pressure for K+ ions to move out of a resting neuron, and these ions actually leak across the membrane. Neurons use two types of proteins to achieve this: sodium-potassium pumps and potassium channels.

The sodium-potassium pump, which is a type of ion pump, moves sodium ions out of the cell and potassium ions into the cell against their respective concentration gradients. This pump, which is found in the plasma membrane, is powered by ATP and is responsible for maintaining the ionic balance inside the cell.

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this is part 2 from the question
please answer it and if you can answer part 1 ftom the question and thank you


2 Label each of the diagrams below to show whether the seeds are spread by exploding pods, wind,
water or animals.​

this is part 2 from the question please answer it and if you can answer part 1 ftom the question and

Answers

Answer:

I think The seed is forming into a flower or The seed is forming into a fruit.

Explanation:

The seed was forming into a plant.

Roughly how many more atp’s can be produced via the complete aerobic oxidation of glucose compared to that produced by glycolysis alone?.

Answers

By contrast, only 2 molecules of ATP are produced per glucose molecule by glycolysis alone.

In the mitochondria, the metabolism of sugars is completed, and the energy released is harnessed so efficiently that about 30 molecules of ATP are produced for each molecule of glucose oxidized

What is aerobic oxidation ?

Molecular oxygen is the oxidant during aerobic oxidation, and it is reduced to harmless water. Vanadium compounds can act as catalysts for the aerobic oxidation of organic molecules, which is typically required.

During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilise. As byproducts, carbon dioxide and water are produced. The general equation for aerobic cellular respiration is: ATP is produced when glucose and oxygen combine in cellular respiration.

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how do the reactant molecules become the molecules found in the products... what happens to them ​

Answers

Explanation:

Molecules of reactants and products undergoes chemical changes when they combine.

The combination leads to the breaking of bonds and rearrangement and this brings about the formation of new products.

Atoms in molecules tends towards stabilityThey often want to mimic the noble gases and would keep rearranging until stability is attained. This leads to the formation of new compounds in the product end of the reaction.

What’s the answer to this?

Whats the answer to this?

Answers

dna unzips

Explanation:

Which structure would not be found in a prokaryotic cell?

O cell wall
O cell membrane
O cytoplasm
O nucleus​

Answers

Answer: Nucleus as prokaryotes don't have their DNA enclosed in the nucleus unlike eukaroytes. They contain a single loop of dna and have no Nucleus

Answer:

Nucleus

Explanation:

Prokaryotic cells have a capsule, ribosomes, DNA, cell wall, Plasma membrane, and cytoplasm. However, A nucleus is only present in eukaryotic cells.

Can someone help me with this question please?

Can someone help me with this question please?

Answers

Answer:

How you should explain so it wont look plagerized:

Explanation:

I believe that the most important part of a plant is the roots and the stem because the roots carry the nutrients and the stems process it so the plant stays healthy and alive!

Hope this helps.

Have a good day!

(Brainliest would be appreciated)

What happens to the ocean water after the evaporation part of the water cycle?
O The ocean water collects back in the ocean.
O The ocean water condenses in clouds.
O The ocean water falls back to Earth's surface.
O The ocean water runs off Earth's surface.

Answers

Answer:

O The ocean water condenses in clouds.

Explanation:

After the evaporation part of the water cycle, the ocean water vapor rises into the atmosphere and cools, leading to the process of condensation. This results in the formation of clouds. These clouds can then move with the help of wind, and the water droplets within them can combine and grow larger through the process of coalescence. Eventually, the droplets become heavy enough to fall to the Earth's surface as precipitation, which can take the form of rain, snow, sleet, or hail, depending on the temperature and other factors. Therefore, the correct answer is "The ocean water condenses in clouds."

I really need help with this I need one more answer

I really need help with this I need one more answer

Answers

Answer:

also E

Explanation:

mark me as brainliest

Cells in a plant root are non-photosynthetic, but they still depend on the light energy harvested during photosynthesis in leaves. In what form is the light energy transferred to the root cells?.

Answers

Explanation:

the light energy is converted to heat energy in order to break the covalent bonds in the water molecules that are combined with CO2 to create glucose

What did the scientists disagree on and why

Answers

Answer:

Could you explain more?

Explanation:

Answer:

Scientists disagree on the experiments because

they all have different answers and they can't decide which one to

do so they disagree.

Explanation:

I know this because I am the goodest at science PLEASE MARK ME AS YOUR BRAINLEST!!!

Why is bacteria and archaea not in the same kingdom

Answers

Archaea doesn’t have a membrane bound nucleus and also lacks internal cell organelles
They have different structures such as the lack of membrane bound organelles and what is used to make the cell wall

Which of the following statements regarding neuroglial cells is not true?
a) neuroglial cells conduct electrical impulses
b) there is a variety of types of neuroglial cells
c) some neuroglial cells produce myelin
d) neuroglial cells provide support for the neurons

Answers

Neuroglial cells do not conduct electrical impulses.

Neuroglial cells, also known as glial cells, are non-neuronal cells that provide support and protection to neurons in the nervous system. However, they do not conduct electrical impulses themselves. Therefore, statement (a) - "neuroglial cells conduct electrical impulses" - is not true.

Statement (b) - "There is a variety of types of neuroglial cells" - is true. Neuroglial cells are a diverse group of cells, and different types of glial cells have specific functions in the nervous system. Some examples of neuroglial cells include astrocytes, oligodendrocytes, microglia, and Schwann cells.

Statement (c) - "some neuroglial cells produce myelin" - is true. Myelin, a fatty substance, is produced by certain types of neuroglial cells, namely oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. Myelin serves as an insulating layer around axons, allowing for faster transmission of electrical impulses.

Statement (d) - "neuroglial cells provide support for the neurons" - is true. Neuroglial cells play a crucial role in supporting neurons by providing structural support, regulating the extracellular environment, and assisting in the repair and maintenance of neural tissue.

In conclusion, statement (a) - "neuroglial cells conduct electrical impulses" - is not true. Neuroglial cells do not conduct electrical impulses themselves; instead, they have other important functions such as support, myelin production, and maintaining the health of neurons.

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Charles Darwin concluded that the 13 species of finches on the Galapagos islands:A. all adapted to the same predators in different ways.B. All of these.C. probably evolved from one single ancestral species from the mainland.D. are identical to species on the mainland.

Answers

The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.

Bottom-dwelling fish often lack a swim bladder. Explain why lack of a swim bladder is an adaptive advantage.

Answers

Bottom-dwelling fish often lack a swim bladder, which is a gas-filled organ that helps fish to control their buoyancy and stay at their desired depth in the water. However, this lack of a swim bladder is actually an adaptive advantage for bottom-dwelling fish.

Without a swim bladder, these fish are able to stay close to the bottom of the ocean floor, where they can easily feed on prey and avoid predators. They are also able to conserve energy by not having to expend energy to maintain their position in the water column. Additionally, bottom-dwelling fish often have a flattened body shape, which helps them to navigate through the uneven and rocky terrain of the ocean floor. In summary, the lack of a swim bladder allows bottom-dwelling fish to successfully adapt to their environment and thrive in their ecological niche.

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Reginald receives a stem cell transplant to treat the blood cancer, multiple myeloma. His treatment is an example of

Answers

Reginald's stem cell transplant to treat the blood cancer, multiple myeloma, is an example of hematopoietic stem cell transplantation (HSCT).

Hematopoietic stem cell transplantation, also known as bone marrow transplantation, involves the infusion of healthy stem cells into a patient to replace damaged or diseased stem cells in the bone marrow. The goal of HSCT is to restore the normal function of the hematopoietic system, which is responsible for producing blood cells.

In the case of multiple myeloma, a cancer of plasma cells in the bone marrow, HSCT can be used as a treatment option. It involves several steps:

1. Harvesting: Healthy stem cells are collected from the patient's own bone marrow or from a matched donor. These stem cells have the potential to differentiate into various blood cell types.

2. Conditioning: Prior to the transplant, the patient may undergo conditioning therapy, which involves high-dose chemotherapy and/or radiation. This treatment aims to eliminate the cancer cells in the bone marrow and create space for the transplanted stem cells.

3. Transplantation: The harvested stem cells are then infused into the patient's bloodstream. From there, they migrate to the bone marrow and establish themselves, gradually repopulating the hematopoietic system.

4. Recovery: Following the transplant, the patient undergoes a period of recovery. Close monitoring is required to manage potential complications and support the patient's immune system until it is fully restored.

By receiving a stem cell transplant, Reginald is given a chance to replenish his bone marrow with healthy stem cells, which can produce new, functional blood cells and potentially provide a curative effect for multiple myeloma.

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find the rate of change of the volume of a balloon (sphere) with a circumference increasing by at 3picm per minute when the radius is 5cm

Answers

The rate of change of the volume of the balloon (sphere) is 150π cubic cm/min. The formula for the volume of a sphere is given by; V = (4/3)πr³.

Given that the circumference of a balloon (sphere) is increasing at a rate of 3π cm/min and the radius is 5 cm, we have to find the rate of change of the volume of the balloon. We know that the formula for the volume of a sphere is given by; V = (4/3)πr³. Differentiating with respect to time gives; dV/dt = 4πr² × dr/dt

We know that the circumference of a sphere is given by; C = 2πr

Differentiating with respect to time gives; dC/dt = 2π × dr/dt

Now we can find the value of dr/dt from the above expression; dr/dt = dC/dt ÷ 2πPutting the given value in the above expression, we have ;dr/dt = 3π ÷ 2πdr/dt = 3/2 cm/min

Now substituting the value of r and dr/dt in the expression for dV/dt; dV/dt = 4πr² × dr/dt dV/dt = 4π(5)² × (3/2) dV/dt = 150π

Therefore, the rate of change of the volume of the balloon (sphere) is 150π cubic cm/min.

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Which type of hormones act on other endocrine glands to stimulate secretion of hormones produced by the target gland?.

Answers

Answer:

ACTH, gonadotropins, and TSH

Explanation:

ACTH stimulates the adrenal cortex to produce corticosteroid hormone

why do cold-blooded animals, such as snakes and turtles, need to bask in sunshine before they can move as quickly as warm-blooded animals on a cold day?

Answers

The cold-blooded animals need to bask in sunshine before they can move as quickly as warm-blooded animals on a cold day because it increases their rate of metabolism.

What are cold-blooded animals?

Cold-blooded animals are those animals that are not able to regulate and maintain their internal body temperature when there is change in the external environment.

Example of cold-blooded animals are snakes and turtles. They expose themselves to sunlight to help them with their body metabolism.

Therefore, the cold-blooded animals need to bask in sunshine before they can move as quickly as warm-blooded animals on a cold day because it increases their rate of metabolism.

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PLEASE HELPPPPP I WILL GIVE BRAINLIEST

PLEASE HELPPPPP I WILL GIVE BRAINLIEST

Answers

Answer:

The correct answer is - because 3×3×3 has the highest Surface area to volume ratio, diffusion in and out of the cell would be faster.

Explanation:

It is known that if the size of a sphere or cell increases, the volume is a cube, and the surface area is squared therefore volume increases faster than the surface area. If the volume is more and the surface area is less than diffusion will be less effective. diffusion takes longer and is less effective.

The decrease in the surface-to-volume ratio leads to diffusion to get less efficient. The Surface-to-volume ratio of a sphere decreases as the sphere gets bigger.

A minor object orbiting in a solar system is a(n)
asteroid
regolith
meteorite
meteor

Answers

(A asteroid
their tiny and orbit the planets apparently lmk if i’m incorrect

select all of the following scenarios that would require the cell to use energy in order to move materials through its membrane.

Answers

The cell will have to use its energy to move materials through its membrane in case of active transport.

What is Cell?

The fundamental structural and operational unit of all living things is the cell. Each cell has a cytoplasm that is surrounded by a membrane and is home to a variety of biomolecules, including nucleic acids and proteins.

Cells can develop specialized functions and perform a variety of tasks within the cell, including protein synthesis, DNA repair, replication, and motility. Within the cell, cells can specialize and move around. Because of their small size, the majority of cells are quantified in micrometers.

Only under a microscopic examination can the majority of plant and animal cells, which range in size from 1 to 100 micrometers, be seen. With significantly greater resolution and extremely detailed cell structure, electron microscopy

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What are the three involved elements in Photosynthesis?

Answers

Answer:

Carbon dioxide , water and water

What is the name for the type of graph shown in the image below?
A) Bar graph
B) Box-and-whisker
C) Cumulative frequency
D) Stem-and-leaf

What is the name for the type of graph shown in the image below?A) Bar graphB) Box-and-whiskerC) Cumulative

Answers

Answer:

box-and-whisker is the right answer i think

Answer:

box and whisker

Explanation:

B

In which part of the skin do the normal flora reside?
1 Dermis
2 Epidermis
3 Collagen fibers
4 Subcutaneous tissue

Answers

The normal flora, also known as the skin microbiota, reside in the epidermis, which is the outermost layer of the skin.

So, the correct answer is option 2: Epidermis. The skin microbiota is made up of various bacteria, fungi, and other microorganisms that live on the surface of our skin. These microorganisms play a beneficial role in maintaining the health of our skin by competing with harmful bacteria, regulating the skin's pH, and supporting the immune system.

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population is maintained by being cancelled out by

Answers

govermemt so yeah thats the answer

सरकार की इच्छा

Explanation:

Population is maintained by being cancelled out by government

Do the gradient levels and the sediment load increase or decrease as the
river ages?

Answers

As a river ages, the gradient levels typically decrease, while the sediment load may either increase or decrease depending on various factors.

The gradient of a river refers to the slope or steepness of its channel. Over time, as a river flows and erodes its surroundings, it tends to reach a state of equilibrium, where the slope becomes less steep. This is known as a decrease in gradient levels.

The sediment load of a river refers to the amount of sediment (such as sand, silt, and rocks) carried by the flowing water. It can vary based on factors such as the geology of the area, the climate, and the amount of erosion occurring in the river's watershed.

In some cases, as a river ages and continues to erode its surroundings, the sediment load may increase as more sediment is picked up and transported downstream. However, in other cases, the sediment load may decrease if the river reaches a point of balance where erosion and sedimentation are relatively equal.

Therefore, the change in sediment load as a river ages can vary depending on local conditions and the specific characteristics of the river.

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which part of human heart carry oxygenated blood........​

Answers

Answer:

Left Atrium

Left Atrium Hope this helps :)

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