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प्रश्न
What is the main difference between sperms and eggs of humans? Write the importance of this difference.
उत्तर
Difference between sperms and eggs of humans:-
The major genetic differences lies in the difference in sex chromosome of sperm (male gamete) and egg( female gamete). Sperm has Y chromosome as sex chromosome, while egg has X chromosome as sex chromosome. There is a marked difference in size, shape, metabolic activity, cytoplasm content, motility, etc in the sperms and eggs.
Human eggs are much larger than sperms and are highly metabolically active cells. They contain more amount of cytoplasm.
Importance of the difference:-
The difference in the sperm and egg cells maintains the continuity of the species generation after generation by the process of reproduction.
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संबंधित प्रश्न
Describe, in brief, the changes the uterus undergoes
(i) to receive the zygote.
(ii) if zygote is not formed
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State the main function of the Leydig cells
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fertilisation in humans can occur only once in a month. Why?
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Which among the following are not the functions of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of the placenta
(iv) secretion of estrogen
Choose the Odd One Out:
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Distinguish between Vasa efferentia and Vasa deferentia.
