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White flower color is recessive to purple flower color in pea plants. If a pea plant has white flowers, what is
the genotype and phenotype of the pea plant

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Answer:

An organism's genotype is its specific combination of alleles for a given gene. So, for example, in the pea plants above, the possible genotypes for the flower-color gene were red-red, red-white, and white-white. The phenotype is the physical manifestation of an organism's allelic combination (genotype).

Explanation:

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Histrionicus

The genotype and phenotype of the pea plant - pp - white flower

According to Mendel, there are two or more alleles (normally two) are responsible for the expression of a trait encoded by the gene.

  • One allele of the particular gene has the ability to mask the phenotypic expression of the other if present in a genotype together.
  • The allele that masks another is called the dominant allele while the allele being masked is the recessive allele.
  • The recessive allele express their effect only if they are present with the same allele in the genotype
  • In this case, a gene that codes for flower color in pea plants is involved.
  • The purple allele (P) is dominant over the white allele (p).
  • It is given that the pea plant has white flower color that is a recessive allele therefore, it is clear that it has two recessive alleles p in its genotype.

Thus, the genotype and phenotype of the pea plant - pp - white flower

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