In rabbits, long hair and black fur are produced by the dominant alleles L and B, which assort independently. The genotype ll produces short hair and the genotype bb produces white fur
A cross between a male with short, black fur and a female with long, white fur produces four offspring with short, black fur, four offspring with long, white fur, four offspring with short, white fur, and four offspring with long, black fur. What are the genotypes of the parents? A) llBB × LLbb
B) LlBb × LlBb
C) llBb × Llbb
D) LLBB × llbb
E) Impossible to determine from the information given.
C
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Most of the following events are characteristic of a La Niña weather pattern. Select the exception
a. low pressure over the western Pacific b. air and ocean surface waters moving west to east c. low ocean surface temperatures off the coast of South America d. cold, wet weather in the northeast U.S. e. wet weather on the west coast of the U.S.
The condition in which walls of the alveoli break down, thereby creating fewer and larger chambers, is called ________
A) TB B) bronchitis C) influenza D) emphysema
The building blocks of proteins are called _______.
A. nucleotides B. amino acids C. fatty acids D. DNA and RNA
Which of the following is not involved in gene cloning?
A. "sticky" ends B. restriction enzyme C. dyes attached to nucleotides D. vector E. host cell