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vichka [17]
3 years ago
15

Summarize the order of events from egg and sperm to embryo? (ill give brainliest)

Biology
1 answer:
tester [92]3 years ago
8 0

Answer:

i do not know Explanation:

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Crossing over contributes to genetic variation by exchanging chromosomal segments between:_____.
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Crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of homologous chromosomes.

What is crossing over?

  • Crossing over is the exchange and recombination of genetic components between the homologous chromosomes.
  • This occurs in the pachytene stage of the meiosis-1 of the meiotic division.
  • Crossing over occurs with the help of an enzyme and the enzyme responsible for crossing over is called Recombinase.

Thus, crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of the homologous chromosomes.

Learn more about crossing over: brainly.com/question/927405

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2 years ago
Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in her area is 21°C (70°F) and t
AnnyKZ [126]

Answer: no

Explanation:

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2 years ago
Based on genomic studies, when did a change in gene sequences occur that lead to a change in the way that the brain processes sp
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The answer for this question would be the second option. Genomic studies cover the analysis of the changes of genome by scanning the markers across complete sets of DNA. Based on these studies, the change in gene sequences happen that resulted to a change in the way that the brain interprets speech in between 4 and 9 million years ago.
6 0
3 years ago
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Describe and explain the purpose of phototropism and gravitropism in plants and explain why this feature is important for the su
Tom [10]

Answer:

Plants have a variety of developmental, physiological, and growth responses to light—sometimes only to particular wavelengths of light.

In phototropism a plant bends or grows directionally in response to light. Shoots usually move towards the light; roots usually move away from it.

In photoperiodism flowering and other developmental processes are regulated in response to the photoperiod, or day length.

Explanation:

there are some key points, hope that helps :)

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3 years ago
What would happen to a plant in a jar with no light
hichkok12 [17]

Answer: the plant would die

Explanation: since the plant needs sunlight to make photosynthesis, without sunlight they would most probably die

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