In pea plants, the allele for purple flowers, P, is dominant over the allele for white flowers, p. Which conclusion about phenotype and genotype is possible?
**If a plant has white flowers, then its genotype must be pp
2. What is a phenotype of an organism? an observable trait**
3.What is an allele? a form of a gene**
4.
Plant A
Plant B
Plant C
tt
TT
Tt
The table shows the genotypes of three pea plants for the allele for height. Which prediction about the three plants is the most reasonable?
Responses:
Plant B and Plant C will have similar heights.
A. If a plant has white flowers, then its genotype must be pp.
B. An observable trait.
C. A form of a gene.
D. Plant B and Plant C will have similar heights.
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To determine the most reasonable prediction about the heights of the three plants based on their genotypes, we need to understand how the alleles for height interact with each other. In this case, "T" represents the dominant allele for tall height, and "t" represents the recessive allele for short height.
From the table provided, we can see that Plant A has a genotype of "tt," which means it has two copies of the recessive allele for short height. Plant B has a genotype of "TT," which means it has two copies of the dominant allele for tall height. And Plant C has a genotype of "Tt," which means it has one copy of the dominant allele and one copy of the recessive allele.
Since the dominant allele (T) is responsible for the tall height, and the recessive allele (t) is responsible for the short height, we can conclude that Plant B will have the tallest height because it has two copies of the dominant allele (TT). Plant A will have the shortest height because it has two copies of the recessive allele (tt). And Plant C, which has both a dominant allele (T) and recessive allele (t), will have a height somewhere in between the two extremes.
Therefore, based on the given genotypes, the most reasonable prediction is that Plant B and Plant C will have similar heights.