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joja [24]
3 years ago
14

Here's a better picture from the last one ​

Biology
1 answer:
natita [175]3 years ago
6 0

Answer:

Crossing over is responsible for genetic variation of an organism.

Explanation:

Crossing over between two homologous chromosomes of non-sister chromatids is responsible for the genetic variation in an organism because in crossing over the segments of one chromatids are exchanged with one another which is different from one another. Due to difference in the segments of two chromatids, the difference occurs in the genetic makeup as well as in the physical structure and appearance of that organisms.

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Piper touches a block of ice, and she feels that it is very cold. How does she feel the sensation of cold?
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The nerves in her hand are transfering heat into the ice and the ice is transfering cold into her hand until they are the same tempature.

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3 years ago
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1. What is the limiting factor for most animal life in the open ocean?
Oduvanchick [21]

Answer:

plastic pollution

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4 years ago
What does the slope of a line in a velocity time graph tell you​
Leviafan [203]

For example, if the acceleration is zero, then the velocity-time graph is a horizontal line (i.e., the slope is zero). If the acceleration is positive, then the line is an upward sloping line (i.e., the slope is positive). ... If the acceleration is great, then the line slopes up steeply (i.e., the slope is great).

8 0
3 years ago
Which process produces two copies of the original dna molecule
iVinArrow [24]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ The correct answer choice is B. DNA replication. DNA replication takes place in interphase during mitosis and meiosis.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

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8 0
3 years ago
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Describe a hypothetical result of the fluctuation test that would have supported the hypothesis that mutations occur in response
OlgaM077 [116]

In order to support the hypothesis that mutations occur in response to an environmental challenge, the experiment in question would have to show an increase in mutation rates shortly after the environmental challenge was introduced.

When we test a hypothesis, we perform an experiment and gather data over the course of the testing. In order to obtain evidence that supports a hypothesis, we have to ensure that only one variable is changing and be sure to repeat the experiment to confirm the values measured.

Taking this into account, a hypothetical result of the fluctuation test that would support the hypothesis of mutations in reaction to environmental challenges would be to measure a spike in mutation rates in the generation following an environmental challenge, and then continue to do so with future post-challenge generations.

To learn more visit:

brainly.com/question/793485?referrer=searchResults

7 0
3 years ago
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