Hydrangea Plants of the Same Genotype Are Planted in a Large

question 36

Multiple Choice

Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?

• A) the knowledge that multiple alleles are involved
• B) the allele for blue hydrangea is completely dominant over the allele for pink hydrangea
• C) the alleles are codominant
• D) environmental factors such as soil pH affect the phenotype

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Definitions:

Canalized

Describes traits or behaviors that are strongly genetically determined and less influenced by environmental factors.

Motor Development

The progress and changes in an individual's ability to perform various physical movements and tasks, typically tracked from infancy through adulthood.

Heredity

The genetic transmission of characteristics from parents to their offspring.

Independent Segregation

is a principle of genetics stating that alleles of different genes segregate independently of one another during gamete formation.