The genes in chloroplasts more closely match the genes found in cyanobacteria compared to the genes found in the nuclei of photosynthetic eukaryotes

A. true
B. false


A

Biology & Microbiology

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Given a population that contains genetic variation, what is the correct sequence of the following events under the influence of natural selection?

1. Well-adapted individuals leave more offspring than do poorly adapted individuals. 2. A change occurs in the environment. 3. Genetic frequencies within the population change. 4. Poorly adapted individuals have decreased survivorship. A) 2 ? 4 ? 1 ? 3 B) 4 ? 2 ? 1 ? 3 C) 4 ? 1 ? 2 ? 3 D) 4 ? 2 ? 3 ? 1 E) 2 ? 4 ? 3 ? 1

Biology & Microbiology

The phenomenon in which one region of the body grows faster than another among different species is called

A. paedomorphosis. B. Gremlin and BMP4 interaction. C. Hox gene clustering. D. phenotypic variation. E. heterochrony.

Biology & Microbiology

Most genetically modified crops carry genes

for

a. herbicide resistance. b. disease resistance. c. nutritional enhancement. d. making human medicines. e. increased yields

Biology & Microbiology

Although mutation is the original source of genetic variation, its influence on changing allelic frequencies is relatively minor

Indicate whether the statement is true or false

Biology & Microbiology