Which of the following sex chromosomes give rise to the male child?
A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm ovum) of a human being as most likely to be
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The human species has genetic roots in
The fossil trilobite was originally:
One of the following traits of the parents cannot be passed on to their future generations. This trait is
The visible characteristic in an organism is known as
The exchange of genetic material takes place in
Which of the following statement is incorrect with respect to variations?
One of the following has not been produced from wild cabbage by the process of artificial selection. This one is
The zygote which has inherited an X chromosome from the father will develop into
The two versions of a trait (character) which are brought in by the male and female gametes are situated on:
Select the incorrect statement from the following:
If the fossil of an organism is found in the deeper layer of earth, then we can predict that
The sex of a child is determined by which of the following?
In evolution terms, we have more in common with:
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13 videos|44 docs|187 tests
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