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The phenotype of a plant seed that has genotype yyrr is green wrinkled.
Dihybrid cross
A dihybrid cross is a cross or hybridization using two traits with two alleles each. If one or both alleles has “capital letters”, it means the dominant trait will be expressed. But if none of the capital letters are present in the alleles, the recessive trait will be expressed.
For example, a dihybrid cross between two pea plants that have traits seeds color and seeds shape. The seeds can be yellow or green which is determined by the “C” gene. The “C” allele is dominant and will cause the seed to be green. The “c” allele is recessive and genotype “cc” will cause a yellow seed.
For seed shape, there are two alleles present for the gene. The “S” allele is dominant and causes smoot-shaped seeds, whereas two “y” alleles cause a wrinkled seed.
Thus, the phenotype of a plant seed that has genotype yyrr will be green wrinkled, because all alleles are represented using small letters so that the traits that will be expressed are recessive traits.
Learn more about dihybrid cross by clicking this link :
https://brainly.com/question/1185199
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