how many alleles for each gene does an organism carry?

Answers

Answer 1
two alleles hope it helped
Answer 2
an organism carries two alleles

Related Questions

Give an example of display behavior exhibited by a territorial animal.

Answers

Answer:

Agonistic (aggressive) displays usually occur near the borders of a territory. When a strange howler monkey approaches the territory of others, resident males set up a tremendous din, warning the intruder off. Many songbirds sit on highly visible perches while singing, providing both auditory and visual displays.

What is metastasis and what body systems are involved in the process?

Answers

Answer:

Metastases most commonly develop when cancer cells break away from the main tumor and enter the bloodstream or lymphatic system. These systems carry fluids around the body.

Explanation:

In metastasis, cancer cells break away from where they first formed, travel through the blood or lymph system, and form new tumors in other parts of the body.

compared to parasympathetic ganglia, sympathetic ganglia are __________.

Answers

Compared to parasympathetic ganglia, sympathetic ganglia are autonomic ganglia of the sympathetic nervous system that prepare the body for emergency situations, such as: defense or flight reactions to a dangerous situation.

In the parasympathetic ganglia, the axons of neurons are characterized by being very long and reach the very structure of the target organ before making contact with the second neuron.

On the other hand, these ganglia activate the parasympathetic system that has to do with energy recovery situations such as: activating digestive secretions, reducing blood flow to the brain, which causes drowsiness.

In the sympathetic ganglia, axons originate from neurons located in the lateral horns of the spinal cord and exit through the anterior roots of the spinal nerves, along with those of the motor neurons.

These ganglia activate the sympathetic system that prepares the body for dangerous situations causing: increased heart rate, blood pressure, respiratory rate, etc.

Therefore, we can conclude that compared to parasympathetic ganglia, sympathetic ganglia are autonomic ganglia of the sympathetic nervous system that prepare the body for emergency situations.

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The diagram above shows the cell cycle. As you can see from the diagram, the cell spends most of the time in _______________________ during which it undergoes rapid growth and the DNA is replicated in order to prepare for Mitosis

Answers

Answer:

Interphase

Explanation:

Interphase is the phase in the cell cycle in which rapid growth occurs and DNA is replicated.

Explain why diseases result in symtoms

Answers

Infection happens when germs enter body leading to damaged cells

Can somebody please help me on this I just got this brainly app and I really want to give more points if you help me But this is as much as I have (BTW THIS IS SCIENCE)

Answers

Answer:

the answer would be (c)

Explanation:

hope this helps

Define negative feedback in biology

Answers

Answer:

A negative feedback loop occurs in biology when the product of a reaction leads to a decrease in that reaction. In this way, a negative feedback loop brings a system closer to a target of stability or homeostasis

Explanation:

Negative feedback occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances

Aupporting cells of the nervous system are collectively called:

Answers

Supporting cells of the nervous system are collectively called neuroglia.

Answer:

They are called neuroglia or glial cells.

Based on cell theory, which of these answer choices would describe one reason a virus is considered nonliving?

Answers

Answer:D

Explanation:

I just did it

Design a solution to the Zebra Mussel invasion. What steps may be taken to reduce the negative impact of Zebra Mussels in the rivers and lakes in North America? Your response should include a logical way to reduce the number of Zebra Mussels. You should include 2-3 steps regarding how your method will work.

Answers

Answer: See explanation

Explanation: Zebra mussels are creatures that latch on to boats and inhabit areas that they are supposed to be in. To reduce the influx of Zebra mussels you can

1. Always check the bottom of your boat before coming back from a different area.

2. If you see zebra mussels you can use high pressure hot water to get them off.

3. Mark the area zebra mussels are located so you can warn others to look under their boats when they are coming back from that area.

Hope this helps!

Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?
They can self-pollinate.
They lack nucleic acids.
They are very different from humans.
They reproduce quickly and take up little space.

Answers

Fruitflies are advantageous in the study of human genes and inheritance because they reproduce quickly and take up little space.

Advantages of using Fruitflies in the study of human genetics

Fruitflies are usually a subject for the study of human genes and inheritance for some reasons:

They have a simple genetic structureThey reproduce quicklyThey are quite small and hence take up very little space

The quick rate of reproduction makes fruitflies good subjects for studying mutation as well.

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They reproduce quickly and take up little space.

What is inheritance?

Fruit flies (Drosophila melanogaster) are advantageous in the study of human inheritance because they have several characteristics that make them well-suited for genetic research. One key advantage is their rapid reproductive cycle, with a generation time of about two weeks. This allows researchers to observe multiple generations in a short period, accelerating the study of inheritance patterns and genetic traits.

Additionally, fruit flies have a relatively small size, making it feasible to maintain large populations in a laboratory setting without requiring excessive space or resources. This allows for efficient experimental design and the ability to conduct large-scale genetic studies.

While fruit flies share some genetic similarities with humans, they are not identical to humans. However, their genetic and developmental processes have enough similarities to provide valuable insights into fundamental principles of inheritance and gene function, which can inform our understanding of human genetics.

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HELP PLEASE SHOW WORK

1. How many grams are there in 2.3 moles of C?


2. How many moles are there in 43 grams of aluminum?


3. How many atoms are there in 100.5 moles of U?


4. How many moles are there in 6.818 x 10 26atoms of Ne?

Answers

Answer:

1. 46grams

2. 5moles

3. 476 atoms

4. 6,995,268

How does a frog survive in water as well as on land?

Answers

An amphibian can live both on land and in water. ... Instead of drinking water, frogs soak the moisture into their body through their skin. Frogs breathe through their nostrils while also absorbing about half the air they need through their skin.

Hope this helps :) - sorry if I am wrong - if I am right can I get brainliest please??

One function of the nervous system is to maintain ____________________, or stability within the body

Answers

Answer:

Answer: Maintain body homeostasis with electrical signals.

Explanation:

Your nervous system is your body's command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing.

the small bones in the middle ear that transmit vibrations to the inner ear

Answers

Answer:

, yes..............

Explanation:

because the vibrations are transmitted to the inner ear after the bones amplify it

Ossicles are the body's tiniest bones. the malleus (hammer), incus (anvil), and stapes (stirrup). Ossicles amplify sound. 

What are ossicles?

Ossicles are very little bones; in fact, they are the tiniest bones in the entire human body. The malleus (hammer), the incus (anvil), and the stapes are the names of the three bones because of the forms they make (stirrup). The sound is amplified even further by the ossicles.

In order to reach the eardrum, sound waves must first enter the outer ear and then proceed via the ear canal, which is a very short conduit. The incoming sound waves cause the eardrum to vibrate, and the eardrum in turn transmits these vibrations to three very small bones located in the middle ear. The malleus, incus, and stapes are the names given to these three bones.

Hearing is dependent on a series of intricate steps that convert sound waves in the air into electrical impulses. These steps are necessary for hearing.

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According to the dihybrid cross below, what proportion of peas would
be green and smooth?
A) 9/16
B) 1/4
C) 3/8
D) 1/16

Answers

Answer: is A. 9/16

Explanation:

What diagnostic test is useful for detecting hyperactivity of the thyroid gland during an evaluation of a thyroid disorder

Answers

Answer:

Blood tests that measure thyroxine and thyroid-stimulating hormone (TSH) can confirm the diagnosis. High levels of thyroxine and low or nonexistent amounts of TSH indicate an overactive thyroid. The amount of TSH is important because it's the hormone that signals your thyroid gland to produce more thyroxine

Explanation:

True/False: In a neuron at rest, the concentration of sodium ions is 14 times higher outside the cell than inside the cell.

Answers

Answer:

true

Explanation:

The sodium and chloride ion concentrations are lower inside the cell than outside, and the potassium concentration is greater inside the cell. These concentration differences for sodium and potassium are due to the action of a membrane active transport system which pumps sodium out of the cell and potassium into it.

Help meeeeeeeeeeeeee

Answers

Answer:

1)sunlight and co2

2)oxygen and ?

Explanation:

A population of 200 mice contains 168 brown mice. Brown is dominant to gray. How much of the population would be h e t e r o z y g o u s?
A. 32%
B. 84%
C. 48%
D. 16%

Answers

The answer is B, yo welcome

The heterozygous population in the population of 200 mice is 84%. The correct option is B.

What is heterozygous?

Heterozygous means having two types of alleles for the same type of gene. These alleles show two types of characters for a single gene. An example is a person having an allele of brown and black hair.

The population is 200 of which 168 mice are brown

By the Hardy–Weinberg (HW) equilibrium

q² (bb) = (200 - 168) /200 = 32 / 200 = 0.16

q: √ 0.16 = 0.4

p = 1 - q = 1 - 0.4 =  0.6

p² (BB) = 0.6 x 0.6 = 0.36

Thus, the correct option is B. 84% regarding the heterozygous population.

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A key limitation of the coefficient of community is that it lacks the ability to:

Answers

Answer:

calculate the similarity between two communities.

Explanation:

What type of solution causes a cell to shrink in size?
O Isotonic
O Homeotonic
O Hypertonic
O Hypotonic

Answers

Hypertonic C. I think answer correct.

Why do cells need to use active transport? Give one example of how cells use active transport.

Answers

We need active transport to move things against a concentration gradient. An example is moving amino acids along human intestinal tract.
An example in plants is active transport of mineral ions into root hair cells

PLEASE HELP ANY ANSWER WILL DO PLEASEEEE PLEASE
Draw a tree diagram for the dichotomous key that you used for the aliens.

Answers

Answer:

Explanation:

Which layer of the atmosphere is experiencing this storm?

Answers

Answer:

Troposphere

Explanation:

Almost all weather occurs in the lowest layer of the atmosphere, called the Troposphere. The exception being large storms like hurricanes and large Thunderstorms. These storms have clouds with great vertical development and the tops of these storms go into the Stratosphere.

When Emma first began dancing, her movements were ______ and awkward. Now, after several months of practice, Emma is able to produce fluid, smooth movements as a result of which of the following?

*all of the above is correct

Answers

Answer:

All of the above is the correct answer

Explanation:

How can scientists use half-life to help date new rocks and fossils that are found?

Answers

Answer:

radioactive isotopes of elements decay

Explanation:

As radioactive isotopes of elements decay, they lose their radioactivity and become a brand new element known as a daughter isotope. ... The half-lives of several radioactive isotopes are known and are used often to figure out the age of newly found fossils.

When does renal genesis usually develop?

*it's b. despite the test having a typo

Answers

Answer:

b. In the womb, when the fetus is about 5-12 weeks old

Explanation:is correct. post protected

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Answers

I also have the same problem

SOMEONE PLEASE HELP

Part 3

What type of front is front 1? What types of weather conditions take place there?

U

Font Sixes

Characters used 0 / 15000

Submit

Answers

Answer:

Front 1 is a cold front.

Explanation:

At a cold front, cold air moves in, causing a drop in temperature.

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