Use the Following to Answer Questions

question 2

Multiple Choice

Use the following to answer questions
The height of a type of bean plant is determined by five unlinked genes called A, B, C, D, and E. Each gene has two alleles: additive (uppercase letter) and nonadditive (lowercase letter) . The shortest plants are 130 cm. The tallest plants are 220 cm. The genotypes are known for two bean plants. Plant 1 is genotype AABbccDdEE. Plant 2 is genotype aaBBCcDdEE.
-If the progeny plant resulting from an AbcdE gamete from plant 1(AABbccDdEE) and an aBcdE gamete from plant 2 (aaBBCcDdEE) was only 60 cm because of an allele in a gene other than A-E, what genetic phenomenon is at work?

• A) A mutation occurred that is epistatic to the height genes because, no matter what genotype the plant has for the genes A-E, the phenotype is still 60 cm.
• B) Crossing over occurred within the A-E region that created recombination in the progeny.
• C) There must have been a change in the environment, such as low water, that caused the stunted growth in the plant.
• D) The genes A-E do not actually work in an additive manner but rather in a dominant mode of inheritance.
• E) Multiple alleles must be present in at least two of the loci involved.

---

Definitions:

Moving Assembly Line

A production process that breaks down a complex job into a series of smaller tasks, which are completed by a sequence of workers or machines moving the product along a line.

Achievement-oriented

A focus and drive on the accomplishment of specific goals or standards, often in the context of work or competitive environments.

Social Motives

Internal drives that influence individuals to seek or engage in activities that involve others, promoting social interactions.

Leaders

Individuals or groups that guide or influence others in achieving goals and inspiring positive changes in their communities or organizations.