Comparisons between the cytochrome b protein sequence in the honeycreeper versus the deer mouse and the Gough

Island finch reveals eighteen and four amino acid differences, respectively. Therefore, _____.



a. the honeycreeper is more closely related to the deer mouse
b. the honeycreeper and the Gough Island finch are the same species
c. the honeycreeper is more closely related to the Gough Island finch
d. no DNA mutations have occurred during the evolution of the honeycreeper
e. the DNA sequences of all three species are identical


ANSWER: c

Biology & Microbiology

You might also like to view...

How is the NO pathway manipulated by Viagra to treat erectile dysfunction?

a. NO synthesis is decreased b. NO synthesis is increased c. the enzyme catalyzed by NO is stabilized d. the enzyme catalyzed by NO is inhibited e. the breakdown of cGMP is inhibited

Biology & Microbiology

Alternative or different forms of the same gene

are called

a. homozygous. b. chromatids. c. alleles. d. homologous. e. karyotypes

Biology & Microbiology

Melanin protects the skin from

a. desiccation. b. abrasion. c. ultraviolet radiation. d. infrared damage. e. invasion by bacteria.

Biology & Microbiology

Which of the following are synonymous codons?

A) UUC and UUG B) UCC and UAC C) CGA and AGA D) AGG and AGC E) AAG and AAC

Biology & Microbiology