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sleet_krkn [62]
3 years ago
11

In which process does crossing over occur? A. Mitosis B. Meiosis

Biology
2 answers:
REY [17]3 years ago
7 0

Answer:

B. Meiosis

Explanation:

Crossing over occurs in meiosis.

gladu [14]3 years ago
5 0
Answer:
B: Meiosis

Explanation: because of the chromosomes the homologous pair exchange equally with each other.
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What is a zygote and how is it formed
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Answer:

A zygote is a fertilized ovum. The germ cells undergo meiosis to reach a haploid state (n) as part of spermatogenesis and oogenesis. The sperm and the unfertilized ovum reinstates a chromosome set in zygote in a diploid state (2n).

After fusing with the sperm, the second stage of meiosis takes place for separation of chromatids. Post-fertilization, mitosis of the zygote is initiated which develops into a mature offspring exhibiting characteristics of its parent.

Explanation:

The zygote stage development occurs in the first week of fertilization. The genome of the zygote is the combination of DNA in each gamete and contains all the genetic information required to form an individual.

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2 years ago
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MrMuchimi

Answer: Ions are defined as atoms that have lost or gained an electron and have a charge.

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3 years ago
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Mamont248 [21]

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This response is gradually continuing in physiological pH, so life forms produce enzyme as an enhancement of reaction speed. Contingent upon what is required, the active site of this catalyst can exist in two structures a high pH structure that is active in the hydration of CO2 and a low pH that is active in the dehydration of bicarbonate. For the best result, the temperature of equilibrium is significant.

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katen-ka-za [31]
The correct answer is
>> <span>hijacking of host cell's metabolic action <<
make me happy please 

</span>
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