Assume that tall (represented by t) is dominant over short stature (represented by y) in corn. if a heterozygous tall plant is crossed with a short plant, show, using ratios the genotypes and phenotypes you would expect the seeds from this cross to produce a. genotypes b. phenotypes

a. 1 : 1

b. 1 : 1

Explanation:

In this case, a heterozygous tall plant (Ty) is crossed with a homozygous short plant (yy) - which we can deduce as the recessive alleles only exhibit themselves in the absence of the dominant alleles.

The resulting offspring would have the genotypes (refer to attached image):

Ty (Tall)

Ty (Tall)

yy (short)

yy (short)

The genotypic ratio would be - 1:1 (Ty & yy are the genotypes present)

and the phenotypic ratio would be - 1:1 (tall and short are the phenotypes present)

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