Post-UTME Biology 2016 Objective — Question 7
Question 7 of 20 from the Post-UTME Screening (Post-UTME) Biology 2016 Objective paper, with the correct answer and a full explanation.
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In the inheritance of colour in pea, yellow is dominant over green. Which of the following is expected in the F1 generation, if a homozygous yellow pea is crossed with a homozygous green pea?
- A. All the progeny will be yellow.Correct
- B. All the progeny will be green
- C. Half the progeny will be yellow
- D. All the progeny will be pink.
Explanation
A homozygous dominant (YY) crossed with a homozygous recessive (yy) produces all heterozygous (Yy) offspring, which display the dominant (yellow) phenotype.
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