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Nezavi [6.7K]
3 years ago
5

What is a theory that explains how species developed and diversified on earth ?

Biology
1 answer:
myrzilka [38]3 years ago
4 0

Answer:

what is a theory that explains how species developed and diversified on earth ?

The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century.

Explanation:

Hope it helps

:>

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A diploid somatic ("body") cell has 2n=20 chromosomes. At the end of mitosis, each daughter cell would have ______ chromosomes.
Nostrana [21]

Answer:

1. 20 chromosomes

2. 10 chromosomes

3. 10 chromosomes

Explanation:

1. The process of mitosis results in the two daughter cells from the same parental cell with exactly the same genetic material. Thus the two cells contain the same number of chromosomes as the parent cell. Therefore if a cell with 20 chromosomes undergoes mitosis will result in the 20 chromosomes.

2. During meiosis I two daughter cells are formed with different ploidy levels as the number of the chromosome reduces to half. Therefore the cell with 20 chromosomes results in two cells with 10 chromosomes.

3. During meiosis II, the two daughter cells formed from meiosis I result in the formation of two more daughter cells with an exact number of chromosome number that is 10 chromosomes.

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How do prophase 1 and metaphase 1 play in important role in the genetic diversity of the daughter cells produced?
luda_lava [24]
In prophase 1:
Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.
In metaphase 1:
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I hope my answer has come to your help. God bless and have a nice day ahead!

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The answer would be virus

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