Red-Green colour blindness is a sex-linked recessive trait in humans. If a father and a son are both colour blind but the mother is normal, her genotype must be

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Q: 25 (SCRA/2015)
Red-Green colour blindness is a sex-linked recessive trait in humans. If a father and a son are both colour blind but the mother is normal, her genotype must be

question_subject: 

Science

question_exam: 

SCRA

stats: 

0,3,32,17,3,6,9

keywords: 

{'green colour blindness': [0, 0, 0, 1], 'recessive trait': [0, 0, 0, 1], 'genotype': [1, 0, 0, 0], 'red': [1, 0, 0, 0], 'colour': [11, 6, 13, 28], 'father': [15, 3, 10, 14], 'xcxc': [0, 0, 0, 1], 'xcy': [0, 0, 0, 1], 'mother': [4, 3, 4, 7]}