Which occurrence is when an individual inherits a dominant gene but does not fully express the dominant phenotype?

A. incomplete penetrance
B. incomplete dominance
C. polygenic inheritance
D. pleiotropy


Ans: C. polygenic inheritance

Biology & Microbiology

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Indicate whether the following statements are true or false. ____ All animals have a nervous system. ____ All animals sense and respond to the environment. ____ It is necessary to have a nervous system to sense and respond to the environment

What will be an ideal response?

Biology & Microbiology

In mollusks, ctenidia are necessary for which function?

a. breathing b. excretion c. reproduction d. locomotion

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Four of the five choices listed below are types of

prezygotic isolating mechanisms. Select the exception. a. temporal b. hybrid inviability c. mechanical d. ecological e. gamete

Biology & Microbiology

Evolution is a process which is moving towards a defined goal.

a. true b. false

Biology & Microbiology