The Presence of a Recessive Allele

question 13

Multiple Choice

The presence of a recessive allele

• A)can always be determined from the phenotype.
• B)is usually masked in the phenotype.
• C)is expressed in the phenotype alongside a dominant allele.
• D)none of the above.

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Definitions:

Rubella

A contagious viral infection, also known as German measles, characterized by a distinctive red rash.

Birth Defect

A physical or biochemical abnormality present at birth that can lead to mental or physical disabilities.

Blindness

A condition characterized by the lack of visual perception due to physiological or neurological factors.

Deafness

A condition of partial or total inability to hear, which can severely affect communication and may require adaptations such as sign language or cochlear implants.