A man receives his $X$ chromosomes from
His mother only
His father only
Both his mother and father
Either his mother or his father
In man the normal number of chromosomes is
Describe haploid diploid sex determination system ?
A male child would be born to parents if
Initial clue about the genetic/chromosomal mechanism of sex-determination can be traced back to some of the experiments carried out in
Determination of sex of a child depends upon