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प्रश्न
The number of pair(s) of sex chromosomes in the zygote of humans is ______.
पर्याय
one
two
three
four
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उत्तर
The number of pairs of sex chromosomes in the zygote of humans is one.
Explanation:
A human zygote contains 46 chromosomes arranged in 23 pairs. Out of these:
- 22 pairs are autosomes.
- 1 pair is the sex chromosomes (XX in females or XY in males).
संबंधित प्रश्न
There are two sets of chromosomes in the zygote.
If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human sperm cell?
Which combination of genes in the zygote will produce children with blue eyes?
Name two animals which have nineteen pairs of chromosomes.
Define the following:
Sex-linked characters
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
Differentiate Intersexes from Supersexes.
A zygote which has an X-chromosome inherited from the father will develop into a
Select the statements that describe characteristics of genes
- genes are specific sequence of bases in a DNA molecule
- a gene does not code for proteins
- in individuals of a given species, a specific gene is located on a particular chromosome
- each chromosome has only one gene
Female heterogamy is shown by
