A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
- A
Daughters normal, $50\%$ of sons colourblind
- B
Daughters normal, all sons colourblind
- C
$50\%$ of daughters colourblind, all sons normal
- D
All daughters colourblind, sons normal
Similar Questions
Sickle cell anaemia is due to
Sickle cell anaemia is due to
- [AIPMT 1990]
:Match the columns :
Column $I$
Column $II$
$(a)$ Sickle cell anaemia
$(x)$ Homogentisic acid
$(b)$ Alkaptonuria
$(y)$ Melanin pigmentsare absent
$(c)$ Albinism
$(z)$ More amount of phenyl alanine
$(d)$ Phenyl Ketonuria
$(w)$ Defective haemoglobin
:Match the columns :
| Column $I$ |
Column $II$ |
| $(a)$ Sickle cell anaemia | $(x)$ Homogentisic acid |
| $(b)$ Alkaptonuria | $(y)$ Melanin pigmentsare absent |
| $(c)$ Albinism | $(z)$ More amount of phenyl alanine |
| $(d)$ Phenyl Ketonuria | $(w)$ Defective haemoglobin |
A colourblind daughter is born when
A colourblind daughter is born when
Colourblindness is caused due to
Colourblindness is caused due to
Following characters are indicate
$(i)$ presence of sickle - shaped $RBC$
$(ii)$ Blood not clot, non stop bleeding
$(iii)$ The heterozygous female transmit the disease to sons.
$(iv)$ Both heterozygous parents transmit the disease to offspring
Following characters are indicate
$(i)$ presence of sickle - shaped $RBC$
$(ii)$ Blood not clot, non stop bleeding
$(iii)$ The heterozygous female transmit the disease to sons.
$(iv)$ Both heterozygous parents transmit the disease to offspring