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True or false? Single-stranded DNA molecules are said to be antiparallel when they are lined up next to each other but oriented in opposite directions.

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Linkage disequilibrium as measured by D declines at a rate of (1 − r) per generation. When r is small, D _____. When r is at its maximum (0.5), then D _____.a. declines quickly over time; increases by ½ each generationb. declines slowly over time; declines by ½ each generationc. increases slowly over time; increases quickly over timed. increases by ½ each generation; declines slowly over time

You have been studying a newt population for three generations. You randomly sampled the breeding population in the first year of your study and have been randomly sampling the offspring in each generation since. For a specific locus, GY9, the first sampling gave allele frequencies of G = 0.67 and g = 0.33. The next two sampling periods had the same allele frequencies. What can you conclude about this newt population?a. It was in Hardy-Weinberg equilibrium only for the first two generations.b. It is in Hardy-Weinberg equilibrium.c. It is in Hardy-Weinberg equilibrium but was not for the first two generations.d. It is not in Hardy-Weinberg equilibrium.

Evolutionary biologists theorize that the cheetah population experienced a genetic bottleneck, which involved a reduction in the gene pool. As a result, cheetahs have very little genetic variation, leading to an increased expression of deleterious recessive alleles. This in turn leads to a decrease in the fitness in the entire population, a phenomenon known as _____.a. genotypic frequencyb. genetic rescuec. selfingd. inbreeding depression

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