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NEET · Biology · STD 12 - 4. principal of inheritance and variation

એક પુરુષ જેના પિતા રંગઅંધ હતા તે એવી સ્ત્રી સાથે લગ્ન કરે છે જેને રંગઅંધ માતા અને સામાન્ય પિતા છે. આ યુગલના નર બાળક રંગઅંધ થવાના કેટલા ટકા સંભાવના છે?

  1. A \(0.25\)
  2. B \(0\)
  3. C \(0.5\)
  4. D \(0.75\)
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Answer & Solution

Correct Answer

(C) \(0.5\)

Step-by-step Solution

Detailed explanation

(c) : It is given that the man had colour blind father, \(i.e.\), man’s genotype would be \(XY\). Now, the woman had a colourblind mother and normal father, thus her genotype would be \(X^cX\). A cross between them can be represented as below. Therefore, \(50\%\) of male children of this couple will be colour blind.
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