Genetic diversity arises as a consequence of ________, which produce(s) different alleles of a gene.
A. crossing over
B. chromosome segregation
C. gene swapping
D. gene splicing
E. mutations
Answer: E
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What will be an ideal response?
What is the goal of DNA sequencing?
a. to determine the protein products of particular genes b. to distinguish the exons from the introns c. to determine the precise order of the nucleotides d. to distinguish wild type from mutated DNA
Which of the following NOT a protection from
most mutations?
a. very few bases actually change b. the genetic code is redundant c. most of our DNA is non-coding d. genes contain non-coding regions e. all of these protect us from mutations
All of the following are vesicles of the five vesicle stage, EXCEPT
A. Diencephalon B. Forebrain C. Mesencephalon D. Metencephalon E. Myelencephalon