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प्रश्न
The sex chromosome in a human ovum is ______.
पर्याय
X chromosome
Y chromosome
Both X and Y chromosomes
Either X or Y chromosome
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उत्तर
The sex chromosome in a human ovum is X chromosome.
Explanation:
Every egg has an X sex chromosome; a sperm can have either an X or a Y sex chromosome.
संबंधित प्रश्न
Differentiate between male and female heterogamety.
Differentiate between ‘ZZ’ and ‘XY’ type of sex-determination mechanisms.
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are:
- large chromosome
- small chromosome
- Y chromosome
- X chromosome
Choose the correct answer :
Human sex chromosomes are __________
Choose the correct answer:
Chromosomes identical in male and female are called __________
Write the functional activity of the following structure:
Heterosomes
ZW-ZZ system of sex determination occurs in
Which of the following is incorrect regarding ZW - ZZ type of sex determination?
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
