With sexual reproduction, two genes for the same
trait that are slightly different are called __________. Fill in the blank(s) with the appropriate word(s).
Answer: alleles
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If an organism is diploid and a certain gene found in the organism has eighteen known alleles (variants), then any given organism of that species can/must have which of the following?
A) at most, two alleles for that gene B) up to eighteen chromosomes with that gene C) up to eighteen genes for that trait D) a haploid number of nine chromosomes E) up to, but not more than, eighteen different traits
Which of the following communication signals matches the animal?
a. chemical; honeybees b. tactile; frogs c. auditory; baboons d. visual; frogs e. chemical; fireflies
You have isolated what appears to be alien DNA. While studying its replication, you performed the exact experiment Meselson and Stahl did. After three generations, the DNA is subjected to a CsCl gradient and only one band appears
What type of replication does this DNA undergo? A. Semiconservative B. Conservative C. Dispersive
Which of the following organisms spends its life cycle in the haploid state?
A) bacteria B) fungus C) Drosophila D) trees E) humans