Blood flowing in umbilical cord is
$50\%$ maternal and $50\%$ foetal
$100\%$ foetal
$100\%$ maternal
$75\%$ maternal and $25\%$ foetal
It's Obvious
The breakage of the membrane surrounding the acrosome in a mammalian sperm is
Formation of notochord or the central axial chord in vertebrates is known as
Prepuberal period refers to a stage of
Location and secretion of leyding cells are
The graafian follicle ruptures to release the secondary oocyte (ovum) from the ovary by the process called…..
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