search
arrow-left Previous
Next arrow-right
Q: Human sex chromosome determines the sex of a child where XX is the result:
  • A. Boy
  • B. Girl
  • C. Transgender
  • D. Can be boy or girl
Correct Answer: Option B - There are 23 pair of chromosomes present in human beings out of which 22 pairs are same in both male & female, known as autosomes. In female, 23rd pair i.e. sex chromosome is similar to autosomes i.e. XX, whereas in male it is XY. The sex of a child is determined by father's chromosome, if the chromosome is XY it results boy and if chromosome is XX it results girl.
B. There are 23 pair of chromosomes present in human beings out of which 22 pairs are same in both male & female, known as autosomes. In female, 23rd pair i.e. sex chromosome is similar to autosomes i.e. XX, whereas in male it is XY. The sex of a child is determined by father's chromosome, if the chromosome is XY it results boy and if chromosome is XX it results girl.

Explanations:

There are 23 pair of chromosomes present in human beings out of which 22 pairs are same in both male & female, known as autosomes. In female, 23rd pair i.e. sex chromosome is similar to autosomes i.e. XX, whereas in male it is XY. The sex of a child is determined by father's chromosome, if the chromosome is XY it results boy and if chromosome is XX it results girl.