Similar to single-gene traits, traits determined by multiple genes also show the expected 3:1 ratio of phenotypes in the progeny between two heterozygotes
A. true
B. false
B
Biology & Microbiology
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The plant hormone that promotes fruit ripening is:
a. auxin b. gibberellin c. cytokinin d. systemin e. ethylene
Biology & Microbiology
Down syndrome is a trisomy that involves
chromosome number
a. 3. b. 5. c. 15. d. 19. e. 21.
Biology & Microbiology
Development ceases at birth.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Genes with promoters that are constitutively expressed and needed in all cells are called
a. universal factors. b. silencers. c. activators. d. housekeeping genes. e. enhancers.
Biology & Microbiology