The Age of Viability, Referring to the Age at Which

question 9

Multiple Choice

The age of viability, referring to the age at which the fetus _____, is reached _____.

• A)can first respond to stimulation; at about 9 weeks
• B)can survive if born prematurely; between 23 and 25 weeks
• C)first has a heartbeat; at about 16 weeks
• D)experiences no further cell division in the brain; between 36 and 38 weeks

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Definitions:

Inclusive Fitness

A concept in evolutionary biology that refers to an organism's genetic success as measured not just by personal reproduction, but also by the impact on the reproduction of genetically related others.

Cloning

The process of creating genetically identical copies of a biological entity, which can apply to cells, tissues, or entire organisms.

Personality

The mix of traits or attributes that shape a person's unique personality.

Behavioral Genetics

The field of study that examines the role of genetic and environmental influences on behaviors.