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kondaur [170]
3 years ago
7

What Structure formed by the crossing over of the optic nerves

Biology
1 answer:
Elanso [62]3 years ago
4 0

The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.

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Fantom [35]

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D. The offspring of multi-cellular organisms tend to be identical to the parent.

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The offspring of multi-cellular organisms which reproduce through sexual mode can never be identical to the parents because of <u>crossing over</u> which is a phenomenon which occurs during <u>meiosis</u>. All the individuals which have sexual dimorphism and reproduce sexually have germ cells in their gonads. Meiosis is a type of cell division which occurs only in germ cells not in somatic cells. <u>During meiosis the genetic material from both the parents is exchanged leading to new combinations of genes</u> as a result of which offspring is neither 100% identical to father nor to the mother. Offspring displays traits which are a combination of both the parents thereby showing variability.

4 0
3 years ago
Explain where the fibula is located and approximately how much body weight is supported by this bone
NISA [10]

Answer:

It is attached a little below the shin bone.

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Explanation:

5 0
2 years ago
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Zina [86]

Answer:

Because natural selection selects for it. Thus it persists.

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