All sons of a couple are colourblind because
Mother is homozygous colourblind
Mother is heterozygous and father normal
Mother is heterozygous and father colourblind
Mother is normal and father colourblind
Which of the following is an example of sex-linked disease?
Pattern baldness, moustaches and beard in human males are examples of
Haemophilia is
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 |
Which of the following is not correct option for Phenylketonuria ?