PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is true of a normal human male? (3B3)
A
He has only one sex chromosome
B
He has two X chromosomes
C
He has two Y chromosomes
D
He has one X chromosome and one Y chromosome
Explanation: 

Detailed explanation-1: -Each person normally has one pair of sex chromosomes in each cell. The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes. Identifying genes on each chromosome is an active area of genetic research.

Detailed explanation-2: -Each person normally has one pair of sex chromosomes in each cell. Females have two X chromosomes, while males have one X and one Y chromosome.

Detailed explanation-3: -Two of the chromosomes (the X and the Y chromosome) determine your sex as male or female when you are born. They are called sex chromosomes: Females have 2 X chromosomes. Males have 1 X and 1 Y chromosome.

Detailed explanation-4: -A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.

There is 1 question to complete.