Quizlet + Evolution, 4e: Take Quiz × Q Unit 2 Flashcards ogiPfunction take quiz&
ID: 268589 • Letter: Q
Question
Quizlet + Evolution, 4e: Take Quiz × Q Unit 2 Flashcards ogiPfunction take quiz&QuizlD-14; What is codon bias? OAmeasure ofthe size of a gene O A measure of the departure from equality of the frequency of synonymous codons for a given amino ack O The tendency of natural selection to favor novel stop codons O The difference between upstream and downstream regulatory sites A measure of the departure of GC content from 50 percent There are 1,200 functional offactory receptor genes in the mouse genome and only in the human genome. Which of the following is a possible reason? OA whole genome duplication of the mouse genome occurred in the recent past Primate genomes are an order ot magnitude smaller than other mammalian O Many offactory genes were duplicated in the mouse ineage O Genes that are rarely used can degenerate because of reduced selective pressure All of the above Which event will not alter an organism's karyotype? O Aneuploidy caused by nondisjunction of chromosomes during meiosis O Chromosome fusion OSequence inversion Chromosome fission O Allopolyploidy at the third position of the codon are more likely tothan at the first or second position O be selectively neutral O be foxed by genetic drif O be synonymous O result in gene product with the simlar properties as the original gene Au of the above O Type here to search ??Explanation / Answer
Answer:
1) What is codon bias?
2) There are 1200 functional olfactory receptor genes in the mouse genome and only 550 in human genome. Which of the following is a possible reason?
3) Which events will not alter an organism's karyotype?
4) Mutations at the third position of the codon are more likely to than mutations at the first or second position.
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