Blood flowing in umbilical cord of mammalian embryo is
$100\;\%$ maternal
$50\;\%$ maternal and $50\;\%$ foetal
$100\;\%$ foetal
$75\;\%$ foetal and $25\;\%$ maternal
Which of the following represents a condition, where the motility of the sperms is highly reduced?
The rolling of endodermal and mesodermal cells from the surface of embryo into its interior is called
The amnion of mammalian embryo is derived from
Hormone responsible for metamorphosis in tadpole is
Trace the correct path of movement of the sperms upto urethra