Molecular Genetics — Flashcards

Flashcard 821: What is the mode of inheritance of Fragile X syndrome?_____

Answer: X-linked dominant

Flashcard 822: In an autosomal dominant inheritance pattern, the disease usually _____ skip generations.

Answer: does not

Flashcard 823: How many ring(s) do purines have?_____

Answer: Two

Flashcard 824: The _____ subunits of the anterior pituitary hormones TSH, FSH, and LH are different and are responsible for the unique biologic activity of each hormone.

Answer: beta

Extra: The alpha subunits of TSH, LH, FSH, and hCG are identical. The beta subunit provides the biological specificity.

Flashcard 825: Do patients with α-thalassemia due to a four-gene deletion have any α-globin? _____

Answer: No

Flashcard 826: What type of gene is the BTK gene?_____

Answer: Tyrosine kinase

Flashcard 827: _____ describes the contribution of one gene to multiple phenotypic effects

Answer: Pleiotropy