Mental retardation in man, associated with sex chromosomal abnormality is usually due to
Mental retardation in man, associated with sex chromosomal abnormality is usually due to
- [AIPMT 1998]
- A
Reduction in $X$ complement
- B
Increase in $X$ complement
- C
Moderate increase in $Y$ complement
- D
Large increase in $Y$ complement
Similar Questions
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If the number of chromosomes in most body cells of a mammal is $40$, the cells in the seminiferous tubule will have
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The character that is expressed in the $F_{1}$-generation is called the
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Lathyrus odoratus is an example of which of the following genes
Barr bodies are
Barr bodies are
- [AIPMT 1993]