A woman is diagnosed as having the genetic disease known as Huntington's disease. It is a rare defect
caused by an autosomal dominant allele. The chance for any one of her eggs to carry the gene is
a. dependent on the sex of the child.
b. 1 out of 3.
c. dependent on the genotype of the woman.
d. 3 out of 4.
e. 0.
C
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If an Arabidopsis plant does not express homeotic genes during flower development
A. the plant will die. B. the plant will only develop to the heart stage. C. the plant will not develop cotyledons. D. the plant will develop leaves instead of flowers. E. the plant will develop flowers instead of leaves.
Meselson and Stahl relied on equilibrium density gradient centrifugation in a ________ solution to resolve the DNA containing 14N from the DNA containing 15N.
A) radiolabeled phosphate B) calcium chloride C) radiolabeled nitrogen D) sodium acetate E) cesium chloride
The largest number of ATP molecules is produced in which phase of cellular respiration?
A. electron transport chain B. Calvin cycle C. citric acid cycle D. preparation reaction E. glycolysis
To which system do the kidneys and bladder belong?
What will be an ideal response?