Which statement is true?
a. Environmental factors can affect gene expression, which will always affect the genotype
b. Environmental factors can affect gene expression, which will affect the phenotype.
c. Environmental factors never affect gene expression, which will never affect the phenotype.
d. None of these choices.
e. Environmental factors can affect gene expression, which will never affect the genotype.
b
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Which species of cyanobacteria is sold commercially?
a. E. Coli b. Salmonella c. Lactobacillus d. Spirulina e. Rhizobium
A portion of DNA that encodes a specific protein is
a) a gene. b) a chromosome. c) a chromatid. d) a centromere. e) a kinetochore.
Discuss 3 reasons why the crustaceans are considered the most important group of arthropods in the marine environment
What will be an ideal response?
Based on the structural similarity of vertebrate limbs, we can conclude that these structures are examples of ____
a. biogeography b. mutations in master genes c. analogous structures d. morphological convergence e. morphological divergence