The presence of a cellular clock, presence of "death...

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The presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of _____. Select one: a. aging b. death c. differentiation d. cleavage Feedback The correct answer is: aging
Question 2 Correct 1.75 points out of 1.75 Flag question Question text In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____. Select one:
The correct answer is: 46; 23 Question 3 Correct 1.75 points out of 1.75 Flag question Question text Genes on the X chromosomes are Select one:
Question 4 Correct 1.75 points out of 1.75 Flag question Question text An organism's genetic makeup is its ____ while its physical appearance is its ____.
a. chromotype; phenotype b. genotype; phenotype c. phenotype; genotype d. genotype; chromotype e. aminotype; prototype Feedback The correct answer is: genotype; phenotype Question 5 Correct 1.75 points out of 1.75 Flag question Question text The actual genetic constitution of an individual is its Select one: a. structural gene. b. autosome. c. genotype. d. polygenic. e. y-linked. Feedback The correct answer is: genotype.
Question 6 Correct 1.75 points out of 1.75 Flag question Question text

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