You are studying two linked genes that influence vine height and fruit color in squash. Yellow color is dominant over green, and tall height is dominant over short. You get the following numbers of offspring from your testcross: 198 Tall Yellow, 192 Short Green, 54 Tall Green, and 56 Short Yellow What is the distance between these genes?
a. They are unlinked
b. 11.2 cM
c. 22 cM
d. 78 cM
Answer: c. 22 cM
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A) used as a solvent B) used as a hydrogen source in photosynthesis C) lost during transpiration D) converted to carbon dioxide E) used to keep cells turgid
Immature seed cones of conifers are usually green before pollination, and flowers of grasses are inconspicuously colored. What does this indicate about their pollination?
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Bats are a healthy carrier for which of the following diseases?
A. influenza B. SARS C. West Nile virus D. hantavirus E. AIDS
Which of the following processes is not thought to contribute to diversity in the genome of human individuals?
(a) exon shuffling (b) single-nucleotide polymorphisms (c) CA repeats (d) duplication and deletion of large blocks of sequence