Given below is a highly simplified representation of the human sex chromosomes from a karyotype. The gene $'a'$ and $'b'$ could be of
Colour blindness and body height
Attached ear lobe and rhesus blood group
Haemophilia and red-green colourblindness
Phenylketonuria and haemophilia
Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement.
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 normalvisioned man whose father was colour blind, marries a woman whose father was also colourblind. They have their first child as a daughter. What are the chances that this child would be colour blind ?
A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
Haemophilia is