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deff fn [24]
3 years ago
7

Identify the molecule that allows "complex chemical reactions to occur"?

Biology
1 answer:
horrorfan [7]3 years ago
4 0
Crossing over at prophase I results in the linked genes (those on the same chromosome) becoming unlinked and separated. Prophase I is this first stage of meiosis, the chromosomes condense, form tetrads, and exchange DNA. The nucleolus and nuclear envelope disappear.
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If a molecule’s concentration outside the cell is higher than it is inside the cell , that solution is??
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At what phase of meiosis is the number of chromosomes per cell doubled? What happens after that so that the number of chromosome
Vlad1618 [11]

Answer:

During the S phase at interphase in meiosis I

Explanation:

During the S (DNA synthesis) phase at interphase in meiosis I, DNA replication occurs here where the chromosomes are doubled. This phase does not occur in meiosis II. At the end of meiosis II, the chromosome number becomes halved in the sex cells. The cell just goes on to divide to ensure haploidy of chromosomes in the gametes such that the sperm from the male and egg from female are both haploid. Fertilization brings about diploidy of the zygote itself

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8 0
3 years ago
What term describes when a young animal becomes capable of successful reproduction?
hammer [34]

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3 0
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What is the process in genetic expression?
leva [86]

Answer:

Explanation:

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