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Epididymis

Besides activ...

Question

Besides activating the egg another role of the sperm is transferring _______ into the egg for generation of a diploid zygote.

A

RNA

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B

Mitochondria

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C

DNA

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D

Ribosomes

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Solution

The correct option is C
DNA

During fertilization, the head of the sperm containing the nucleus (DNA) enters the egg leading to the formation of diploid zygote.

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Similar questions

Q. Besides activating the egg, another role of a sperm is to carry __________.

Q. Read the given statements regarding the contribution of sperm and egg to the zygote and select the correct option.

Statement 1: A defect in the mitochondrial DNA of the sperm middle piece will be transmitted to the developing zygote
Statement 2: Sperm contributes to most of the mitochondria in the zygote
Statement 3: Egg contributes to most of the cytoplasm
Statement 4: Both sperm and egg contribute haploid nucleus

Q. The sperm and the egg make different contributions to the zygote. Which of the following statements about their contributions are true?

(i) Sperm contributes most of the mitochondria.
(ii) Egg contributes most of the cytoplasm.
(iii) Both sperm and egg contribute a haploid nucleus.
(iv) Both sperm and egg contribute centrioles.

Q. When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a .......... child.

Q. (a) Name the respective part of human female reproductive system
(i) That produces eggs
(ii) fusion of egg and sperm takes place
(iii) Zygote gets implanted
(b) Describe in brief what happens to the zygote after it gets implanted

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