Internal ear develops from
Ectoderm
Endoderm
Mesoderm
None of the above
(a)Internal ear develops from embryonic ectoderm layer.
How many sperms are formed by four primary spermatocytes?
Among the following who is regarded to be the founder of modern embryology
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
Failure of descending testis into scrotum is known as
Which of the following are secretions produced by the spermatozoa at the time of fertilization?
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