Download App

STD 12 - 4. principal of inheritance and variation — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. principal of inheritance and variation4 Marks
MCQ
A colourblind daughter is born when
  • A
    Father is colourblind, mother is normal
  • B
    Mother is colourblind, father is normal
  • C
    Mother is carrier, father is normal
  • ✓
    Mother is carrier, father is colourblind
✓

Answer

Correct option: D.
Mother is carrier, father is colourblind
d
(d)For a woman to be colourblind both her $X$ chromosomes should bear genes for the disease; which is possible only when her father is colourblind and her mother is either colourblind or a carrier of disease.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which vertebra will fused and form coccyx ?
→
Austrulian marsupials are examples of
→
Which micro-organism is used in the formation of cheese
→
Which fungal extract was extensively used in treating wounded American soldiers in world war-$II$?
→
In ureotelic animals, urea is formed by
→
Which of the following is world’s first non-hormonal oral contraceptive pill for females, developed by scientists at Central Drug Research Institute $(CDRI)$ in Lucknow, India?
→
Earliest reptiles evolved in the period
→
Unstriped muscles are found in
→
In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?
→
Hormone released by posterior lobe of pituitary is concerned with
→