An infant with $XX$ chromosomes results in a .........,whereas an infant with $XY$ chromosomes results in a ..........

Initial clues about the genetic/chromosomal mechanism of sex determination can be traced back to some of the experiments carried out in:

What is $XY$ type of sex determination?

Sex-linked traits are the traits determined by

$A$ medical technician, while observing a human blood smear under the microscope, notes the presence of a Barr body close to the nuclear membrane in the $WBC$. This indicates that the person under investigation is:

In human females,Barr bodies are formed by: