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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
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
In a human, how many chromosmes are present in a brain cell?
________ shows haplo-diploid type of sex-determination.
Define the following:
Sex chromosomes
Chromosomal constitution of normal human females can be written as ______.
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
Given below are two statements:
Statement - I: The male Drosophila has a pair of homomorphic sex chromosomes.
Statement - II: The male human being has a pair of heteromorphic sex chromosomes.
In the light of above statements, Choose the most appropriate answer from the options given below:
If a male grasshopper with XO genotype produces sperm, what proportion of his sperm will carry the X chromosome?
