Use the Following to Answer Questions

question 63

Multiple Choice

Use the following to answer questions :
In a species of tortoise,foot size (big or small) is controlled by one gene,while shell shape (round or lumpy) is controlled by another gene.Suppose that a big-footed lumpy-shelled tortoise mates with a small-footed round-shelled tortoise.Eight offspring result: four big-footed round-shelled tortoises and four small-footed round-shelled tortoises.(Assume that the parents are not necessarily homozygous for each allele. )
-Which statement about the inheritance of shell shape in tortoises is most likely to be correct,given your genetic analysis of the tortoise family?

• A) Lumpy is dominant to round.
• B) Round is dominant to lumpy.
• C) Round and lumpy are codominant.
• D) Shell shape is an example of blending inheritance.
• E) This cannot be answered without more information.

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Definitions:

Facial Emotion

The expression of feelings or emotions through facial movements, which is a key aspect of non-verbal communication.

Prefrontal Cortex

A region of the brain associated with decision making, social behavior, personality, and cognitive planning.

Cortex

The outer layer of the cerebrum of the brain, involved in various high-level brain functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.

Lateralization

Refers to the tendency for some neural functions or cognitive processes to be more dominant in one hemisphere of the brain than the other.