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प्रश्न
Choose the correct answer :
Human sex chromosomes are __________
विकल्प
X and O
Y and O
X and Y
none of these
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उत्तर
Human sex chromosomes are X and Y
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संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human (i) sperm cell, and (ii) zygote?
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
Define the following:
Autosomes
Write the functional activity of the following structure:
Heterosomes
Which of the following is incorrect regarding ZW-ZZ type of sex determination?
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
Which of the following develops through parthenogene is?
If a normal cell of the human body contains 46 pairs of chromosomes then the numbers of chromosomes in a sex cell of a human being is most likely to be ______
The maleness of a child is determined by
