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संबंधित प्रश्न
Which of the following combinations of sex chromosomes produce a male child : XX or XY?
In a human, how many chromosmes are present in a fertilised egg?
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy
(b) baby girl
(c) adult
(d) either boy or girl
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
Explain the following terms:
Identical twins
Answer the following question:
How is sex determined in human beings? Explain with the help of a diagram.
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Which of the following is an example of genetic variation?
A zygote which has an X-chromosome inherited from the father will develop into a
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
