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Two genes are located on the same chromosome and are known to be 12 mu apart. An AABB individual was crossed to an aabb individual to produce AaBb offspring. The AaBb offspring were then crossed toaabb individuals. If this cross produces 1,000 offspring, what are the predicted numbers of offspring with each of the four genotypes: AaBb, Aabb, aaBb, and aabb? Determine what would […]

Q1. A farmer decides to plant 90 percent of one field with BT 123 seeds and the remaining 10 percent of the field with a different seed variety. He hopes this will slow the evolutionary development of BT resistant insects. Which seed variety must he use the 10 percent of […]

Part I: Phylum/Division Sample 1: Chrysophyta Sample 2: Annelida Sample 3: Arthropoda Sample 4: Amphibia Sample 5: Aves Common Feature           Nutrition How does the organism break down and absorb food?   They eat through dirt Some are vegetarians Thy are vegetarians   Circulatory System (Transport) […]

Prey Energy (KJ/individual) // Handling time (hr) // Search time (hr)Ringed seal 10,000 // 4 // 2Young walrus 15,000 // 8 // 12Reindeer 1,000 // 1 // 1 (a) If presented with the three prey items shown above (no search time necessary), which should the polar bear eat? Show this […]