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 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 .
If a plant has white flowers, then its genotype must be pp.
If a plant has white flowers, then its genotype must be pp .
9 answers
Correct conclusion: 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 structure that carries genetic information
a structure that carries genetic information
a section of DNA
a section of DNA
a combination of alleles
Responses
an observable trait
an observable trait
a structure that carries genetic information
a structure that carries genetic information
a section of DNA
a section of DNA
a combination of alleles
Correct response: An observable trait.
What is an allele?(1 point)
Responses
the trait a gene controls
the trait a gene controls
a dominant form of a gene
a dominant form of a gene
the location of a gene on a chromosome
the location of a gene on a chromosome
a form of a gene
a form of a gene
Responses
the trait a gene controls
the trait a gene controls
a dominant form of a gene
a dominant form of a gene
the location of a gene on a chromosome
the location of a gene on a chromosome
a form of a gene
a form of a gene
Correct response: A form of a gene.
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 C will be the shortest.
Plant C will be the shortest.
Plant A will be the tallest.
Plant A will be the tallest.
Plant A and Plant C will have similar heights.
Plant A and Plant C will have similar heights.
Plant B and Plant C will have similar heights
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 C will be the shortest.
Plant C will be the shortest.
Plant A will be the tallest.
Plant A will be the tallest.
Plant A and Plant C will have similar heights.
Plant A and Plant C will have similar heights.
Plant B and Plant C will have similar heights
Based on the given information and the inheritance pattern of the allele for height, we can conclude the following:
- Plant A: tt genotype - Homozygous recessive for the short height allele.
- Plant B: TT genotype - Homozygous dominant for the tall height allele.
- Plant C: Tt genotype - Heterozygous, having one allele for tall height and one allele for short height.
From this information, the most reasonable prediction is that Plant A will be the shortest since it has two copies of the short height allele (tt), while Plant B will be the tallest because it has two copies of the tall height allele (TT). Plant C will have an intermediate height since it carries one allele for tall height (T) and one allele for short height (t). Therefore, the correct conclusion is: Plant A will be the shortest.
- Plant A: tt genotype - Homozygous recessive for the short height allele.
- Plant B: TT genotype - Homozygous dominant for the tall height allele.
- Plant C: Tt genotype - Heterozygous, having one allele for tall height and one allele for short height.
From this information, the most reasonable prediction is that Plant A will be the shortest since it has two copies of the short height allele (tt), while Plant B will be the tallest because it has two copies of the tall height allele (TT). Plant C will have an intermediate height since it carries one allele for tall height (T) and one allele for short height (t). Therefore, the correct conclusion is: Plant A will be the shortest.
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