Neither Wallace nor Darwin discussed genes when describing natural selection. Why?

What will be an ideal response?


Neither genes nor DNA had been identified at that time. Wallace and Darwin understood that traits were passed from generation to generation but did not understand the mechanism.

Biology & Microbiology

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If a diploid organism has a genome consisting

of 4 pairs of chromosomes, it can produce ____ different combinations of maternal and paternal chromosomes (disregarding crossing over). a. 4 b. 8 c. 12 d. 16 e. 32

Biology & Microbiology

What would happen if you add mitosis-promoting factor (MPF) to germinal cells in the skin arrested in G2?

a. Cell division would cease. b. The cells would enter prophase. c. The cells would undergo cytokinesis. d. Cell death would occur.

Biology & Microbiology

What is the basic functional unit of the kidney?

A) Nephron B) Glomerular capsule C) Collecting duct D) Peritubular capillaries E) Glomerulus

Biology & Microbiology

The term biotechnology refers exclusively to the use of genetically engineered organisms for the production of desired products

Indicate whether the statement is true or false

Biology & Microbiology