Q64. By which the sex of a child is determined before birth ? (a)Sperms of father (b)Foetus of mother (c)Both (d) and
Option B) The gender of the baby can be ascertained accurately after more or less than seven weeks of pregnancy. During this period of pregnancy, the fetal DNA is sufficiently found in the mother’s blood. Thus, identifying the fetus gender through prenatal gender testing is easier.