Human Hox genes are in four clusters: HOXA, HOXB, HOXC, and HOXD, for a total of 39 genes. Besides conserving the clustering of genes, evolution has also conserved __________
A) their chromosomal locations
B) the order of the genes within them
C) their expression along the dorsal-ventral axis
D) the mutations to which they give rise
E) their bilateral symmetry
B
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Which of the following is not a modern ape?
a. Gibbon. b. New World Monkey. c. Chimpanzee. d. Gorilla. e. Orangutan
Oversecretion of growth hormone in adulthood results in
a. pituitary gigantism. b. acromegaly. c. pituitary dwarfism. d. diabetes insipidus. e. cretinism.
Which of the following is mismatched?
A. proteomics-the study of species' proteins B. bioinformatics-the study of genomic and proteomic information using computer analysis C. polymerase chain reaction-process that separates DNA fragments according to size D. genomics-the study of the genomes of humans and other organisms
The two most important factors that determine an area's climate are:a
temperature and wind. b. humidity and temperature. c. temperature and precipitation. d. cloud cover and wind. e. humidity and fog.