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?(1 point)
Responses
If a plant has white flowers, then its genotype must be pp.
If a plant has white flowers, then its genotype must be pp .
If a plant has purple flowers, then its genotype must be Pp.
If a plant has purple flowers, then its genotype must be Pp .
If a plant has purple flowers, then its genotype must be PP.
If a plant has purple flowers, then its genotype must be PP .
If a plant has white flowers, then its genotype must be Pp.
If a plant has white flowers, then its genotype must be pp.
What is a phenotype of an organism?(1 point)
Responses
an observable trait
an observable trait
a section of DNA
a section of DNA
a combination of alleles
a combination of alleles
a structure that carries genetic information
What is an allele?(1 point)
Responses
a dominant form of a gene
a dominant form of a gene
the trait a gene controls
the trait a gene controls
a form of a gene
a form of a gene
the location of a gene on a chromosome
Use the table to answer the question.
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?
(1 point)
Responses
Plant A and Plant C will have similar heights.
Plant A and Plant C will have similar heights.
Plant C will be the shortest.
Plant C will be the shortest.
Plant B and Plant C will have similar heights.
Plant B and Plant C will have similar heights.
Plant A will be the tallest.