Sex Determination in Humans
Trending Questions
Q.
In human beings, sex of an individual is determined:
During the initial stages of pregnancy
During the later stages of pregnancy
By the environmental factors
At the time of fertilization
Q.
An egg usually has X chromosome, but in some cases it can have Y chromosome.
True
False
Q.
Why are the chances of an offspring being male or female always 50:50?
The movement of sperm is random.
Equal number of X and Y bearing sperms are released.
The egg has no particular affinity towards a X bearing sperm or a Y bearing sperm
None of the above
Q. A couple has 6 children, of which 5 are girls and 1 is a boy. The probability (in percentage) of having a girl next, is
- 10%
- 20%
- 50%
- 100%
Q. Probability of four son to a couple is:
- 14
- 18
- 116
- 132
Q. In our society, women are blamed for producing female children. Choose the correct option for sex determination in humans.
- Due to some defect like aspermia in man
- Due to genetic makeup of some particular sperm which fertilizes the egg
- Due to genetic makeup of the eggs
- Due to some defect in women
Q. A family has five girls and no son, the probability of the occurance of son in 6th child is
- 1/2
- 1/5
- 1
- 1/4
Q. Sex determination by chromosomes in human and Drosophila is through.
- XX-XO
- ZZ-ZW
- XX-XY
- Both A and B
Q. Sex determination in human being is ________
- XX-XX Type
- XX-XO type
- XX-XY types
- XO-XX
Q. (a) If a sperm with 'X' chromosome fertilizes with an ovum with 'X' chromosome, what will be the gender of the baby?
(b) Who determines the sex/gender of the baby, mother or father?
(c) Is it correct to blame the mother for giving birth to a baby girl?
(d) Are all our characters resembles our parents?

(b) Who determines the sex/gender of the baby, mother or father?
(c) Is it correct to blame the mother for giving birth to a baby girl?
(d) Are all our characters resembles our parents?
