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1 year ago

Because they create multiple alleles, mutations can cause

Biology

1 answer:

oksano4ka [1.4K]1 year ago

4 0

Because they create multiple alleles, mutations can cause D. variations in traits.

<h2>Gene mutations and evolution</h2>

The production of mutations in DNA molecules is known as mutagenesis. Changes in DNA sequence or chromosome rearrangement are just two examples of mutations that can occur in DNA. These mutations can happen on their own, as a result of mistakes made during DNA replication or mitosis. Natural selection requires genetic variety, which is produced by spontaneous mutations.

The process by which populations of organisms change over generations is known as evolution. These modifications are caused by genetic differences. Different features in an organism can be introduced by genetic differences that modify gene activity or protein function. If a characteristic is beneficial and helps an individual survive and reproduce, it is more likely to be handed down to the following generation (a process known as natural selection).

Learn more about gene mutations here: brainly.com/question/13251107

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Hunt and her team designed an experiment to test her hypothesis about the effect of BPA on mice. They administered daily doses o

katovenus [111]

Answer and Explanation: The figure below shows the doses of BPA administered to the female mice over time.

An experiment is used to determine cause and effect among variables. When the research is for the impact of a treatment, researchers randomly separate individuals in two groups:

Control Group doesn't receive any treament or a placebo or a treatment whose outcome is already known;
Treatment Group receives the treatment;

For the female mice on the image below, in the First Group is not injected any dosage of BPA, so they are the control group, while the others are treatment group.

The variables in a experiment are classified as independents or dependents:

Independent Variable is the cause;
Dependent Variable is the effect;

For the BPA research, since it is the effect of BPA over time on the mice's cells it is being investigated, dosage of BPA is the independent variable and time is the dependent variable.

6 0

3 years ago

Which of the following is not a step involved in critical thinking?

Dima020 [189]

Answer: i think it’s c

6 0

3 years ago

Why do leaves appear green?

s2008m [1.1K]

Answer:

The correct answer option is B. Green wavelengths are the least used in photosynthesis.

Explanation:

Plants have a pigment in them called as chlorophyll. This chlorophyll is able to absorb only certain wavelengths of the light within the light spectrum.

From that visible light spectrum, chlorophyll is only able to absorb light of red and blue wavelength. The green light is not absorbed by the by chlorophyll as it is reflected back.

Therefore, this reflection of green light makes the leaves to appear green.

6 0

3 years ago

Read 2 more answers

Energy is the ability to do work or

lyudmila [28]

Answer:

B-Change

Explanation:

8 0

3 years ago

As you walk barefoot in the park, your nose conveys to your brain the smell of the freshly cut grass, your skin sends informatio

murzikaleks [220]

Answer:

A. Sensation

Explanation:

A sensation is a mental process (like hearing, seeing or smelling) resulting from the immediate external stimulation of a sense organ often as distinguished from a conscious awareness of the sensory process, it's a physical feeling or perception resulting from something that happens to or come into contact with the body. Considering the example given the freshly cut grass, gentle breeze and sound of children laughing are the physical feelings stimulating your nose, skin, and ears.
Selective attention is focusing on a particular object in the environment for a certain period, in your example, the subject is not specifically focusing on one thing at the time.
Sensory adaption is the reduction in sensitivity to a stimulus after constant exposure to it, in this case, the subject is nos experiencing awareness of a constant stimulus.
Cognition is the process of acquiring knowledge and understanding through thought, experience, and the senses. In your example, the data obtained by the subject is still not processed.

I hope you find this information useful and interesting! Good luck!

4 0

3 years ago