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In Mammals the tests occur in scrotal sacs outside the viscera because of the

Presence of urinary bladder
Presence of rectum
Long vas deferens
Requirement of low temperature for spermatogenesis
Additional Questions

Both corpus luteum and macula lutea are

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In humans, spermatogenesis takes about

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Vasa efferentia are the ductules leading from

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In humans, blastula is known as

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Which one is involved in nourishing spermatozoans?

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In humans at the end of first meiotic dividion, the male germ cells differentiate into

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In human beings the type of cleavage is

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In development, nervous system (brain, spinal cord, nerve cells) is

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In a mammalian sperm, spirally arranged mitochondria around an axial filament occurs in

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Important sperm lysine used for dissolving egg covering is

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