The offspring (F1) resulting from the cross between two red flowered plants are 3/4 red and 1/4 white. The most likely genotype of both red flowered parental plants (P1) is ____
a. codominant recessive
b. incomplete dominant
c. incomplete recessive
d. heterozygous
e. homozygous recessive
d
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Mussels attach to the rocky shores by:
a. byssal threads. b. mucous secretions. c. foot. d. calcareous shells. e. glue.
Along with the egg, in the part of an embryo sac next to the micropyle you should find
a. the central cell. b. a seed. c. the pollen tube. d. synergids. e. antipodal cells.
Gas exchange in the aquatic salamander known as the axolotl is correctly described as
A) active transport to move oxygen into the salamander from the water. B) carrier-mediated transport to move oxygen into the salamander from the water. C) facilitated diffusion of carbon dioxide from the salamander into the water. D) simple diffusion of oxygen into the salamander from the water. E) active transport of carbon dioxide from the salamander into the water.
Herbivores are the normal hosts for Fasciola species.
Answer the following statement true (T) or false (F)