Mendel discovered that the allele for green seed pods (G) is dominant to the allele for yellow seed pods (g). He crossed true-breeding (homozygous) parental plants with green (GG) and yellow (gg) seed pods to produce an F1 generation, all of which were heterozygous (Gg) with green seed pods. He then crossed two of these F1 plants to produce an F2 generation.

Drag the genotypes and phenotypes from the left to correctly complete the Punnett square for the F2 generation. Drag only blue labels to blue targets and pink labels to pink targets. Labels may be used more than once.

Question

Kadence Curtis

Biology

28 May, 22:31

Mendel discovered that the allele for green seed pods (G) is dominant to the allele for yellow seed pods (g). He crossed true-breeding (homozygous) parental plants with green (GG) and yellow (gg) seed pods to produce an F1 generation, all of which were heterozygous (Gg) with green seed pods. He then crossed two of these F1 plants to produce an F2 generation.

Drag the genotypes and phenotypes from the left to correctly complete the Punnett square for the F2 generation. Drag only blue labels to blue targets and pink labels to pink targets. Labels may be used more than once.

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Answers (1)

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Petey · Answer 1

GG, Gg, Gg, gg

Homozygous green - GG

Heterozygous green - Gg

Homozygous yellow - gg

Explanation:

It is given that allele for green seed pods (G) is dominant to the allele for yellow seed pods (g) which means that if "G" and "g" occur together, a trait associated with G will be expressed.

The genotype of the true breeding Green plant is "GG"

The genotype of the true-breeding yellow plant is "gg"

F1 generation cross

GG * gg

Offspring produced from F1 generation are - Gg, Gg, Gg, Gg

In f2 generation offspring of F1 generation are crossed among each other.

So the offspring produced in F2 generation are

Gg * Gg

GG, Gg, Gg, gg

Homozygous green - GG

Heterozygous green - Gg

Homozygous yellow - gg