Which Is NOT an Example of a Recessive Gene Disease

question 165

Multiple Choice

Which is NOT an example of a recessive gene disease?

• A)neurofibromatosis
• B)sickle-cell anemia
• C)Tay-Sachs disease
• D)cystic fibrosis

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Definitions:

Alleles

Variants of a gene that arise by mutation and are found at the same place on a chromosome.

DNA Sequences

The precise order of nucleotides within a DNA molecule, which determines the genetic information carried.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that have the same gene sequence and structure, one from each parent.

Sexually Reproducing Populations

Groups of organisms that reproduce through the exchange of genetic material between two individuals, leading to offspring with genetic variation.