Why was it initially expected that cloned animals might have a shorter life span?
a) The egg cell had elevated telomerase.
b) The chromosomes of the donor nuclei had lengthened telomeres.
c) The donor cell had elevated telomerase.
d) The chromosomes of the donor nuclei had shortened telomeres.
Ans: d) The chromosomes of the donor nuclei had shortened telomeres.
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You have several hives of honey bees, Apis mellifera , that you keep in your backyard. Some bees uncap and remove dead larvae from cells, while others leave dead larvae in the cells; this difference is genetically determined. After a particularly hot summer in which many bees die from disease, you notice that the only hives remaining are the ones in which bees uncap and remove dead larvae. You have witnessed:
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What are the differences between a foodborne infection and food poisoning?
What will be an ideal response?