Being Born with Extra Fingers on a Hand Is Called

question 50

Multiple Choice

Being born with extra fingers on a hand is called polydactyly.This is more common in some populations in North America than others due to ____.

• A)natural selection in favor of extra fingers in these populations
• B)random mating with other populations in North America
• C)an increase in mutation rate in these populations
• D)a founder effect because their ancestors from Europe carried the alleles

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Definitions:

Ritualism

The excessive or inappropriate repetition of rituals, typically seen in religious or cultural practices but can also reflect certain psychiatric conditions.

Primary Dentition

Refers to the first set of teeth in the growth development of humans and many animals, also known as baby or milk teeth.

Primary Dentition

The first set of teeth in the human dentition cycle, also known as baby or milk teeth, typically includes 20 teeth.

Sphincter Control

The ability to regulate the muscles that close and open passages in the body, crucial for bowel and bladder management.