The sex chromosome composition of a person with Klinefelter syndrome is most accurately written as
a. XXX.
b. XO.
c. XXY.
d. XYY.
e. YO.
C
You might also like to view...
B cells and T cells that react with self-antigens are destroyed by____
a. apoptosis b. phagocytosis c. cytokinesis d. diakinesis e. endocytosis
The appendix is a vestigial structure that extends off of the ____
a. cecum b. colon c. duodenum d. rectum e. stomach
Smooth endoplasmic reticulum
A) stores calcium ions in muscle cells. B) is the major site of carbohydrate synthesis in eukaryotic cells. C) produces proteins for cell membranes. D) helps assemble ribosomes for protein synthesis.
A fruit fly population has a gene with two alleles, A1 and A2. Tests show that 70% of the gametes produced in the population contain the A1 allele. If the population is in Hardy-Weinberg equilibrium, what proportion of the flies carry both A1 and A2?
a. 0.42 b. 0.7 c. 0.49 d. 0.21 e. 0.09