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 |
$a(iv), b(iii), c(ii), d(i)$
$a(ii), b(iii), c(iv), d(i)$
$a(iii), b(iv), c(ii), d(i)$
$a(i), b(ii), c(iv), d(iii)$
One way of detecting sex linked inheritance is
If a boy's father has haemophilia and his mother has one gene for haemophilia; what is the chance that the boy will inherit the disease
Recessive characters are expressed
Sicklecell anaemia is