Base sequence variations between individuals that result from point mutations are called
A) polymorphs.
B) small nuclear polymorphisms.
C) deletions.
D) single nucleotide polymorphisms.
E) restriction fragment length polymorphisms.
D) single nucleotide polymorphisms.
You might also like to view...
Which of the following is not a characteristic of Bicoid protein?
A. Bicoid is a maternal gene product. B. Throughout the first seven nuclear divisions, Bicoid concentration is higher in the anterior pole than the posterior pole. C. Bicoid represses Hunchback in the posterior pole. D. Bicoid is a transcriptional activator of many segmentation genes.
An autosomal recessive disorder
a. requires that only one parent be a carrier. b. displays its symptoms in heterozygotes. c. is more frequent in males than females. d. requires that both parents are carriers. e. only affects females.
What organelle is the site of ATP production?
a. nucleus b. mitochondria c. peroxisomes d. lysosomes e. Golgi body
Spontaneous mutation rates are greatly reduced by
A) exposure to ionizing radiation. B) reverse mutations. C) base-modifying agents. D) DNA repair mechanisms. E) performing the Ames test.