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Biology
Sex determination
What genes are passed from father to daughter?
Biology
Sex determination
Does gender come from mom or dad?
Biology
Sex determination
How chromosomes determine the sex of a baby?
Biology
Sex determination
Answer the following questions related to sex determination in human beings:
What is a sex chromosome?
How many pairs of chromosomes are there in human beings?
How is the sex of the human offspring determined?
Draw a diagram depicting sex determination in man.
Biology
Sex determination
How is the sex of the child determined in human punnet square?
Biology
Sex determination
The maleness of a child is determined by
(a) The X chromosome in the zygote
(b) The Y chromosome in the zygote
(c) The cytoplasm of germ cell which determines the sex
(d) Sex is determined by chance
Biology
Sex determination
Assertion
In pigeons, females are heterogametic and males are homogametic.
Reason
In pigeons, females have ZW sex chromosomes and males have ZZ sex chromosomes.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
Biology
Sex determination
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.
Biology
Sex determination
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation
Biology
Sex determination
How is sex determined in human beings.
Biology
Sex determination
Explain sex determination in humans with the help of a flow- chart.
Biology
Sex determination
How is the sex of an offspring determined in humans?
a. Sex chromosomes of mother
b. Size of ovum
c. Size of sperm
d. Sex chromosome of father.
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