Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a
recessive trait. You just got married and discover that your new father-in-law has albinism and cystic
fibrosis. What are the odds that your first child will have both albinism and cystic fibrosis?
a. 1/16.
b. 1/8.
c. 1/4.
d. 1/2.
e. 0.
A
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Genotype Qq produces 10 offspring per year. Genotype QQ has a fitness value of 0.4 and genotype qq has a fitness value of 0.2. How many offspring does genotype qq produce each year?
A. 4 B. 1 C. 6 D. 2 E. 8
The Shine—Dalgarno sequence is a purine-rich region just upstream of a start codon and is necessary for the initiation of protein synthesis in prokaryotes
Indicate whether the statement is true or false
Which of the following best explains why modern seedless vascular plants are confined largely to wet or humid environments?
a. They require soil. b. They require reflected sunlight. c. They require symbiotic bacteria in the water. d. They require external water for reproduction.
The right ventricle is to the pulmonary trunk as the left ventricle is to the ________.
A. left common carotid artery B. aorta C. left pulmonary vein D. inferior vena cava E. superior vena cava