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BIOLOGY

JAMB 2005 - Question 45

Biology 2005 JAMB Past Questions - Question 45: A yellow maize is crossed with a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit

Choose the most appropriate option for the gap .

A yellow maize is crossed with a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit

A: dominance

B: recessiveness

C: codominance

D: incomplete dominance

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Correct Answer

Explanation

BLet capital Y represent yellow colour while small y represent white colour phenotypically all the plants produce yellow maize. this indicates that yellow colour is dominant while white colour is recessive