Basic Science > 2017 PAPER I > 19
BECE/Junior WAEC
Study the genotypes below and use it to answer question 19.
X = AA, Y = AS, Z = SS
Which of the genotypes will produce high incidence of sickle cell anaemia offsprings when crossed?
X = AA, Y = AS, Z = SS
Which of the genotypes will produce high incidence of sickle cell anaemia offsprings when crossed?
A.
X and X
B.
X and Y
C.
Y and Y
D.
Y and Z
E.
Z and Z
Answer: D
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