The Drosophila homeotic genes typically contain the homeobox. The homeobox is a sequence of 180 nucleotides. The number of amino acids coded for by this sequence is

A. 180.
B. 90.
C. 120
D. 60.
E. 30.


Answer: D

Biology & Microbiology

You might also like to view...

The term for describing a region’s biological wealth is called ____

a. endemic species b. hot spots c. biodiversity d. endangered species e. threatened species

Biology & Microbiology

The seed coat of a pine seed

a. is derived from the integuments. b. is produced by the micropyle. c. surrounds the male gametophyte. d. is divided into the hypocotyl-root axis and epicotyl.

Biology & Microbiology

Which of the following is not a result of estrogen?

A. breast development B. the uterine cycle C. milk production D. body hair distribution E. fat distribution

Biology & Microbiology

Transfer RNA differs from other types of RNA because it

a. transfers genetic instructions from cell nucleus to cytoplasm. b. specifies the amino acid sequence of a particular protein. c. carries an amino acid at one end. d. contains codons. e. has different bases in its nucleotides.

Biology & Microbiology