Normally the gametes are disease free in human beings or even in other animals because
Germs cannot attack the gametes
Gametes are immune to diseases
The germplasm is segregated very early and is not subjected to diseases from which the somatic cells may suffer
None of the above
Which type of placenta is present in the early human embryo?
Given below is an incomplete flow chart showing influence of hormones of gametogenesis in human females. $A, B, C$ and $D$ in the chart refers to
Cauda epididymis leads to
Formation of notochord or the central axial chord in vertebrates is known as
The distal narrow end of the uterus is called......