What Are Alleles

question 4

Multiple Choice

What are alleles?

• A)genes for different traits,such as hair color and eye color
• B)dominant forms of a kind of characteristic carried by genes
• C)recessive forms of a kind of characteristic carried by genes
• D)locations of genes on chromosomes
• E)alternative forms of a gene for a single trait,such as blue eyes and brown eyes

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Definitions:

External Genitalia

The reproductive organs located on the outside of the body; in females, this includes the clitoris, labia minora, and labia majora, and in males, the penis and scrotum.

Urogenital Sinus

The Urogenital Sinus is an embryonic structure from which the urinary and genital tracts develop.

Vestibule

Anterior part of the nasal cavity just inside the external nares that is enclosed by cartilage; space between the lips and the alveolar processes and teeth; middle region of the inner ear containing the utricle and saccule; space behind the labia minora containing the openings of the vagina, urethra, and vestibular glands.

Pudendal Cleft

The anatomical term for the cleft between the labia majora, part of the external female genitalia.