Very Short Question and Answers - Sex Determination
Q 1.
What is sex determination?
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Q 2.
How many pairs of chromosomes are found in human cells?
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Q 3.
What are sex chromosomes?
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Q 4.
What is the sex chromosome combination for a human female?
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Q 5.
What is the sex chromosome combination for a human male?
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Q 6.
Which parent determines the sex of the offspring in humans?
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Q 7.
If a sperm carrying an X chromosome fertilizes the egg, what will be the sex of the baby?
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Q 8.
If a sperm carrying a Y chromosome fertilizes the egg, what will be the sex of the baby?
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Q 9.
Do the mother’s eggs determine the sex of the child? Why or why not?
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Q 10.
Name two sex chromosome-related disorders in humans.
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Q 11.
What is the sex chromosome combination in male and female birds?
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Q 12.
In birds, which parent determines the sex of the offspring?
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Q 13.
How does sex determination take place in honey bees?
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Q 14.
What environmental factor can influence sex determination in some reptiles?
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Q 15.
List the sex chromosome systems for humans, birds and honeybees.
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Q 16.
What is the total number of sex chromosomes present in a human somatic (body) cell?
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Q 17.
How many pairs of autosomes are there in human cells?
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Q 18.
Why is it incorrect to blame the mother for the sex of the child?
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Q 19.
Can environmental conditions determine sex in any organism? Give an example.
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Q 20.
Summarize the role of chromosomes in sex determination in humans with an example.
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