The phenotypic ratio expected from a dihybrid cross involving complete dominance is
A) 121.
B) 931.
C) 9331.
D) 41.
C) 9331.
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Epithelial cells that are adapted for absorption or secretion usually have ________ at their free surface.
a. mitochondria b. cilia c. microvilli d. junctional complexes e. Golgi complexes
Although mating in yeast strains leads to sexual reproduction, asexual reproduction by budding predominates when cultured on rich growth medium.
Answer the following statement true (T) or false (F)
The organism responsible for destroying Ireland's potato crop in the mid-1800s, causing famine, is a member of the genus ________
a. Saprolegnia b. Sargassum c. Phytophthora d. Porphyra
The process that decreases the number of organisms with phenotypes less fit to meet environmental
challenges is: a. natural selection. b. genetic drift. c. gene flow. d. genetic polymorphism. e. migration.