Observable traits are known in genetics as
a. phenotypes.
b. genotypes.
c. homozygous.
d. heterozygous.
e. more than one of these
A
You might also like to view...
One critical requirement for life to arise on Earth was time for:a
the atmospheric temperature to increase sufficiently. b. molecules to accumulate and react with one another. c. the Earth's various climates to stabilize. d. the salinity of the oceans to stabilize. e. the ozone layer to form, so that the level of ultraviolet radiation was reduced.
Exposure to which of the following chemicals is correlated with low birth weight and premature birth?
A) the plasticizer di(2-ethylhexyl)phthalate (DEHP) B) bisphenol A (BPA) C) the synthetic estrogen diethylstilbestrol (DES) D) polychlorinated biphenols (PCBs)
Succession that occurs on abandoned agricultural fields is best described as
A. secondary succession. B. primary succession. C. prairie succession. D. biome succession.
The plant cell can move substances into cells using proton pumps that work against a gradient.
Answer the following statement true (T) or false (F)