In humans,sex determination is controlled by which of the following?
- AGenetic constitution of the ovum
- BGenetic constitution of the sperm
- CThe female body where fertilization occurs
- DBoth $A$ and $B$
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Which scientist designated the chromosome as the $X$-body?
Easy
View SolutionIn which one of the following,gametogenesis takes place only by mitosis?
Given below are two statements.
Statement $I$ - $X$ Chromosome has a large amount of euchromatin and a small amount of heterochromatin.
Statement $II$ - The homologous region of the $X$ Chromosome contains a smaller number of genes than the $Y$ Chromosome.
In the light of the above statements,select the correct option given below:
Statement $I$ - $X$ Chromosome has a large amount of euchromatin and a small amount of heterochromatin.
Statement $II$ - The homologous region of the $X$ Chromosome contains a smaller number of genes than the $Y$ Chromosome.
In the light of the above statements,select the correct option given below:
$A$ hereditary disease which is never passed on from father to son is
Medium
View SolutionWhere are the genes of incomplete sex linkage situated?
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