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प्रश्न
There are two sets of chromosomes in the zygote.
उत्तर
True
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संबंधित प्रश्न
Explain sex determination in human beings.
Write the types of sex-determination mechanisms the following crosses show. Give an example of each type.
(i) Female XX with Male XO
(ii) Female ZW with Male ZZ
A new born child has an XY pair of chromosmes. Will it be a baby boy or a baby girl?
The human animal which has an XY pair of chromosomes is called :
(a) male
(b) hybrid
(c) female
(d) doomed
Name two animals which have nineteen pairs of chromosomes.
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
Explain the following terms:
Identical twins
What is parthenogenesis?
Differentiate Intersexes from Supersexes.
How is sex determined in human beings?
Identify the female heterogamety from the chromosomal complements given below.
From the following which option correctly represents the normal genetic constitution of a ovum?
There are five daughters and no son in a family. It is because
Which type of sex determination is observed in honey bee?
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Which of the following is an example of genetic variation?
The maleness of a child is determined by ______
How many types of gametes are produced by a human female?
