A plant with the genotype AABbcc is ________

A. triploid
B. heterozygous for two different genes
C. recessive for three different genes
D. homozygous for two different genes


D. homozygous for two different genes

Biology & Microbiology

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Based on fossil evidence, which of the following existed the longest ago?

a. Homo habilis b. Homo erectus c. Australopithecus africanus d. Australopithecus afarensis e. Homo neanderthalensis

Biology & Microbiology

Which of the following is NOT true of hormones?

a. They are found in multicellular organisms. b. They are chemical messengers. c. They regulate development. d. They are a type of gene. e. They regulate growth.

Biology & Microbiology

Oxidation and reduction reactions are chemical processes that result in a gain or loss of:

A. atoms. B. neutrons. C. electrons. D. molecules. E. protons.

Biology & Microbiology

________ is the scientific name of modern man.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology