Each tRNA has an __________ that base-pairs with a
codon, and each binds to the kind of amino acid
specified by the codon. Fill in the blank(s) with the appropriate word(s).
Answer: anticodon
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A human blastomere is _____
A) an embryonic cell that is smaller than the ovum B) an embryonic structure that includes a fluid-filled cavity C) that part of the acrosome that opens the egg's membrane D) a component of the zona pellucida E) a cell that contains a (degenerating) second polar body
The presence of two or more different alleles in a population for a given locus is termed:a
heterozygosity. b. genetic polymorphism. c. polygenic stasis. d. a gene pool. e. frequency independent selection.
Rubbery cartilage, calcium-hardened bone tissue, lipid-storing adipose tissue, and blood are examples of specialized ____________________ tissues.
Fill in the blank(s) with the appropriate word(s).
In Mendel's pea plants, yellow seeds are dominant to green seeds. Purple flowers are dominant to white flowers. Use Y and y for the seed color alleles and P and p for the flower color alleles. Flower color and seed color assort independently. If a plant
that is heterozygous for both flower color and seed color genes is self-fertilized, what proportion of the offspring will have one of the dominant phenotypes, either the seed color or flower color, but not both? A) 9/16 B) 9/32 C) 6/64 D) 6/16 E) 6/32