Two Siamese and three Persian cats survive a shipwreck, and are carried on driftwood to a previously uninhabited tropical island. All five cats have normal ears (carry the F allele), but one carries the recessive allele (f ) for folded ears (his genotype is Ff ). Based on this information, calculate the following:a. Calculate the frequencies of alleles F and f in the cat population of this island. b. If you assume Hardy-Weinberg equilibrium for these alleles (admittedly very improbable), about how many cats would you expect to have folded ears when the island population reaches 20,000?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

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