Question 0

If XN is the dominant allele for normal vision and Xn the recessive allele for colour blindness, a boy with the genotype YXn will be

  • A.have normal vision
  • B.be colour-blind
  • C.be totally blind
  • D.be a carrier of colour blindness
  • E.
Objective

Question details

Exam body
JAMB
Subject
Biology
Year
2002
Question no.
#0
Type
Objective

More from this paper

See all Biology 2002 questions