Question

Heterozygous purple-flowered plant was crossed with homozygous recessive white-flowered plant. The observed phenotype is

• A. All purple
• B. All white
• C. 50% purple, 50% white
• D. 75%

Answer 1

Answer: (C)

50% purple, 50% white

Heterozygous Purple flower - Pp
Gametes : P and p
Recessive white flower: pp
Gametes: p
Fusion thus yields: Pp (Purple) and pp (white)
The ratio is 1:1

Hence, it is 50% purple and 50% white.