Determination of
sex of child depends upon……….
a) nature of ovum
b) nature of sperm
c) health of father
d) health of mother
Which of the following sex determination pattern is found in Drosophila?
a) XO-XX Type
b) XY-XX Type
c) XX-XY Type
d) WZ-ZZ Type
In the sex determination pattern of XY-XX type, what is the genotype of male and female?
a) male: XX and female: XY
b) male: XX and female: XX
c) male: XY and female: XX
d) male: XY and female: XY
In XY-XX type of sex determination pattern, which of the following is/are heterogametic?
a) male
b) female
c) both a and b
d) none of them
Explanation: heterogametic means having different gametes; half of the male sperms have X chromosome while half have Y chromosome
In XY-XX type of sex determination pattern, which of the following is/are homogametic?
a) male
b) female
c) both a and b
d) none of them
Explanation: homogametic means having similar gametes; all the eggs have same X chromosome
In XY-XX type of sex determination pattern, sex of the offspring depends on which of the following?
a) male (XY)
b) female (XX)
c) both a and b
d) none of them
