Freshly released human egg has
one Y-chromosome
one X-chromosome
two X-chromosome
one X-chromosome and one Y-chromosome
Middle piece of mammalian sperm posses
mitochondria and centriole
mitochondria only
centriole only
nucleus and mitochondria
In telolecithal egg the yolk is found
all over the egg
on one side
both the sides
centre
Eye lens is formed from
ectoderm
mesoderm
endoderm
ectoderni and mesoderm
Termination of gastrulation is indicated by
obliteration of blastocoel
obliteration of archenteron
closure of blastopore
closure of neural tube
Human eggs are
alecithal
microlecithal
niesolecithal
macrolecithal
Meroblastic cleavage is a division which is
horizontal
partial/parietal
total
spiral
Gonads develop from embryonic
both mesoderm and endoderm
How many sperms are formed from a secondary spermatocyte?
4
8
2
1
Location and secretion of Leydig’s cells are
liver-cholesterol
ovary-estrogen
testis-testosterone
pancreas-glucagon
