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prohojiy [21]
2 years ago
14

Predict: In pea plants, the allele for smooth pods is dominant to the allele for bumpy pods. Predict the genotype of a plant wit

h bumpy pods. Can you predict the genotype of a plant with smooth pods? Explain

Biology
1 answer:
aev [14]2 years ago
7 0

Answer:

 The genotype of a plant with bumpy pods would be aa, while the genotype of a plant with smooth pods would have to be either AA or Aa.

Explanation:

 The smooth pod allele ("A") is dominant, which means it overwrites the bumpy pod allele ("a"), which is recessive.

 Because of this, all genotypes with at least one "A" in them are smooth. This includes "AA" and "Aa."

 The only way for a pod to be bumpy here is if there aren't any dominant alleles to nullify it. That means plants with bumpy pods can only have the "aa" genotype.

[Note: I didn't use the letter "a" for any particular reason. The specific letter isn't relevant here.]

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In Mendel's "Experiment 1", pea plants with smooth seeds intersect with pea plants with rough seeds. (smooth seeds is the dominant feature). Mendel collected the seeds of this cross, the plants and obtained the F1-generation of plants, let them self-pollinate to form a second generation, and analyzed the seeds of the F2 generation. The results they obtained; And the ones you would predict in this experiment are:

Guide

F1-generation plants

Mendel crossed SS (smooth seeds) with ss (rough seeds.)

All the gametes of parents smooth seeds, have the allele S (dominant) and all the gametes of parents rough seeds have the allele s (recessive). All the plants of the F1 generation will affect the Ss genotype (heterozygous), and all the seeds smooth seeds.

Generation-F2 plants

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