25 Jul WHICH POPULATION WOULD YOU EXPECT TO HAVE THE MOST OFFSPRING?
Because phenotypic variation is low among children biomarkers are relatively sim Show more Q6. TRUE or FALSE: Because phenotypic variation is low among children biomarkers are relatively simple to find for this age group. Q7. TRUE or FALSE: A study of 1.2 million fruit flies indicates that the oldest individuals in a population may be genetically different from the rest of the birth cohorts. Q8. TRUE or FALSE: According to the phylogenetic tree in your book fish are amniotes and are more closely related to insects than to mammals. Q9. TRUE or FALSE: It is possible that aging could have evolved though not through natural selection. Q10. The main take-away message of the Baltimore Longitudinal Study on Aging was that ___. Aging varies greatly among individuals Aging varies greatly among the organ-system affected For certain variables certain 80 year olds might score as well as a 50 year old Both A and C All of the above. Q11. Identifying specific ________ will be important to the progress that scientists make toward using personal genomics as a viable tool for biogerontology. Epigenetic changes Gene homologs Non-adaptive traits Both A and B All of the above Q12. In the figure at the left a is indicating the point at the graph known as ____ while b is indicating _____. r k k r intrinsic rate of natural increase carrying capacity both a and c both b and c Q13. The fact that the mutation rate in germ cell DNA is 1000s of times lower than that seen in somatic cells is evidence that would support ______. The disposable soma theory The antagonistic pleiotropy theory The mutation accumulation theory All of the above None of the above Q14. How would August Weismanns results from the mouse tail experiment have been different if somatic cells did indeed transmit hereditary properties between generations? Mice with shorter tails would have more offspring Mice with cut tails would have fewer offspring Mice with shorter tails would have offspring with longer tails Mice with cut tails would have offspring with shorter tails None of the above The figure below depicts data from an experiment on C. elegans reared in different environments. Use it to answer questions 15 & 16. Q15. Based on you understanding of the relationship between life span and reproduction which population A (brown) B (violet) or C (blue) would you expect to see individuals reproduce earliest in their life span? A B C All would be equal Not enough information Q16. Based on your understanding of evolutionary theory Which population would you expect to have the most offspring? A B C All would be equal Not enough information Q17. The idea that a gene can be beneficial to an organism early in life but detrimental later in life is central to ______. The disposable soma theory The antagonistic pleiotropy theory The mutation accumulation theory All of the above None of the above Q18. The lovely and nutrient-expensive coloration & mating rituals seen in many birds most closely relates to _________. The disposable soma theory The antagonistic pleiotropy theory The mutation accumulation theory All of the above None of the above Show less
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