Four of the five answers listed below are related to pairing of chromosomes. Select the exception.
a. synapsis
b. pairing of homologues
c. interkinesis
d. exchange of genes
e. crossing over
Answer: c. interkinesis
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What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring of genotype
aa bb cc? a. 1/64 b. 1/32 c. 3/64 d. 1/16 e. 9/64
One way two competing species can coexist in the same area is via
A) having the same competition coefficient. B) zero-growth isoclines. C) competitive exclusion. D) niche differentiation.
The body shape of a dolphin and a tuna are ____
a. homologous structures b. comparative structures c. analogous structures d. repetitive structures e. vestigial structures
What signals termination of translation in bacteria?
A) the stop amino acid is attached to the growing peptide chain B) EF-Tu and EF-G C) ribozymes D) a tRNA specific to the stop codon enters the ribosome's A site E) RF1 and RF2