A normal woman, whose father was colour-blind is married to a normal man. The sons would be

  • [AIPMT 2004]
  • A

    All normal

  • B

    All colour-blind

  • C

    $75\%$ colour-blind

  • D

    $50\%$ colour-blind

Similar Questions

:Match the columns :

Column $I$
 
Column $II$
 
$(1)$ Albinism $(p)$  recessive gene
represented by
HbsHbs.
 
$(2)$ Phenyl 
Ketonuria
$(q)$ recessive gene
represented by cc.
$(3)$ Sickle cell 
anaemia
$(r)$ recessive gene
 represented by aa.
 
$4)$ Alkaptonuria $(s)$ recessive gene
represented by pp

Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be

A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called

Given below is a pedigree chart of a family with five children. It shows the inheritance of attached earlobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals Which one of the following conclusions drawn is correct

  • [AIIMS 2004]

If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is