Question

TOPIC 4: GENETIC INHERITANCE

In a pea plant, purple flower is the dominant trait while white flower is the recessive
trait. Explain how to determine the genotype of the purple flowered pea plant.
[8 marks]​

Answer 1

YY

Explanation:

Y-purple while y-white

YY is the genotype of a pure breed purple flowered pea plant

Yy is the genotype of a heterozygous pea plant flower (purple is dominant over white)

yy is the genotype of a white flowered pea plant that is generally called as recessive