A type of plant that produces red flowers is crossed with a plant that produces white flowers. The alleles for flower color exhibit incomplete dominance, and all of their offspring have pink flowers. If two of the pink-flowered offspring were crossed, which of the following ratios of red, pink, and white flowers would you find in their offspring?

Answer

0% red : 100% pink : 0% white

25% red : 50% pink : 25% white

33% red : 33% pink : 33% white

50% red : 0% pink : 50% white

Question

Biology

Teagan Mckay

23 August, 00:16

A type of plant that produces red flowers is crossed with a plant that produces white flowers. The alleles for flower color exhibit incomplete dominance, and all of their offspring have pink flowers. If two of the pink-flowered offspring were crossed, which of the following ratios of red, pink, and white flowers would you find in their offspring?

Answer

0% red : 100% pink : 0% white

25% red : 50% pink : 25% white

33% red : 33% pink : 33% white

50% red : 0% pink : 50% white

+4

Answers (1)

Know the Answer?

Mathias Davila · Answer 1

The answer is 25% red : 50% pink : 25% white

A - allele for red flowers

a - allele for white flowers

AA - flowers with red flowers

Aa - flowers with pink flowers

aa - flowers with white flowers

The cross looks like:

Parents: Aa x Aa

Offspring: AA Aa Aa aa

Red flowers (AA) : 1/4 = 0.25 = 25%

Pink flowers (Aa) : 2/4 = 0.50 = 50%

White flowers (a) : 1/4 = 0.25 = 25%