What type of aneuploidy is responsible for Turner syndrome in humans?

A) trisomy 13
B) trisomy 18
C) trisomy 21
D) monosomy XO
E) monosomy YO


D

Biology & Microbiology

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Because geneticists can't use human subjects for experimentation, a ____ is used to obtain an analysis

of a genetic family history. a. blood test b. hair sample. c. tooth impression. d. pedigree chart. e. photograph analysis.

Biology & Microbiology

In areas where malaria is endemic, sickle cell disease heterozygote carriers are less fit than individuals

homozygous for the normal allele. Indicate whether the statement is true or false.

Biology & Microbiology

Which one of the following forms a bilayer structure that is found in cell membranes?

A) triglycerides B) amino acids C) cholesterol D) phospholipids E) saturated fats

Biology & Microbiology

Regarding the human sex chromosomes, which statement is correct?

A) X and Y are different in size but carry nearly equal numbers of genes. B) The X chromosome carries only gender-related genes. C) The X chromosome carries more genes than does the Y chromosome. D) The Y chromosome carries a greater number of genes than does the X chromosome. E) The X chromosome carries the genes for the development of male phenotype.

Biology & Microbiology