Which cross will produce only heterozygous offspring?

A. AA × aa
B. Aa × aa
C. Aa × Aa
D. AA × Aa


A. AA × aa

Biology & Microbiology

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Paired, fleshy extensions of the body wall in bristle worms that are used for locomotion and gas exchange are called

____.

a. metanephridia b. parapodia c. septa d. clitella e. setae

Biology & Microbiology

Compare and contrast the life cycles of Ulva and mosses. Include the elements of alternation of generation they share and differences in the forms of the gametes, the two generations and their relative dominance, and protection of the embryo. Test Section: LO2, 12.3 Key Concept: relationship of life cycles of algae and bryophytes Level: Advanced critical thinking

What will be an ideal response?

Biology & Microbiology

In rabbits, there are four alleles at the c locus. Arranged in dominance sequence they are:C

(agouti), cch(chinchilla), ch(Himalayan), and c (albino) (a) Is it possible to cross two agouti rabbits and produce both chinchilla and Himalayan offspring? (b) Is it possible to cross two chinchillas and produce 1/2 chinchilla and 1/2 Himalayan? What will be an ideal response?

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Where do correlation, association, and learning occur in the brain?

A. Medulla B. Cerebrum C. Cerebellum D. Pons E. Corpus callosum

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