One of the genes present exclusively on the $X$-chromosome in humans is concerned with
One of the genes present exclusively on the $X$-chromosome in humans is concerned with
- [AIIMS 2003]
- A
Baldness
- B
Red-green colour blindness
- C
Facial hair/moustaches in males
- D
Night blindness
Similar Questions
Match the following - (w.r.t. Pedigree analysis)
Column $-I$
Column $-II$
$a.$ Solid symbol
$(i)$ Carrier of sex linked trait
$b.$ Horizontal line between symbols
$(ii)$ Offspring
$c.$ Horizontal line above the symbols
$(iii)$ Trait to be studied
$d.$ Dot in centre
$(iv)$ Parents
Match the following - (w.r.t. Pedigree analysis)
| Column $-I$ | Column $-II$ |
| $a.$ Solid symbol | $(i)$ Carrier of sex linked trait |
| $b.$ Horizontal line between symbols | $(ii)$ Offspring |
| $c.$ Horizontal line above the symbols | $(iii)$ Trait to be studied |
| $d.$ Dot in centre | $(iv)$ Parents |
A sex linked recessive gene $C$ produces red green colour blindness in humans. A normal woman whose father was colourblind marries a colourblind man. Of all the girls born to these parents what percentage is expected to be colourblind
A sex linked recessive gene $C$ produces red green colour blindness in humans. A normal woman whose father was colourblind marries a colourblind man. Of all the girls born to these parents what percentage is expected to be colourblind
Give scientific reasons : The product of phenylalanine catabolism excreted in the urine in phenylketonuria.
Give scientific reasons : The product of phenylalanine catabolism excreted in the urine in phenylketonuria.
Describe pedigree analysis and draw its symbols.
Describe pedigree analysis and draw its symbols.
Thalassaemia is
Thalassaemia is