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Question
ZW-ZZ system of sex determination occurs in
Options
Fishes
Reptiles
Birds
All of these
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Solution
All of these
RELATED QUESTIONS
If X chromosome is inherited from mother and Y from father, the offspring will be male.
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
Choose the correct answer from the four options given below :
In a human male, a sperm will contain :
Complete the following sentence with appropriate word:
___________ chromosomes do not take part in sex determination.
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
Read the following statements and select the correct option.
i. If sperm containing Y chromosome fertilizes the ovum, then diploid zygote is formed that grows into a male child.
ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
From the following which option correctly represents the normal genetic constitution of a ovum?
The ‘X’ body of Henking was observed in ______.
Haplodiploidy is found in ______.
The belief that the mother is completely responsible for the sex of the child is wrong because the child
