A woman with normal blood clotting mates with a man who has hemophilia. Their first child is a boy who has
hemophilia. Tests show that the father and son both have the same form of hemophilia, that it is X-linked, and that the boy
has normal genetic inheritance. You can predict that if the couple has more children together, it is likely that ____.
a. all of the children will have hemophilia
b. half of the boys and none of the girls will have hemophilia
c. none of the other children should have hemophilia
d. all of the boys and half of the girls will have hemophilia
e. half of the boys and half of the girls will have hemophilia
ANSWER: e
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A noncompetitive inhibitor will
A) bind to free enzyme. B) bind to free product. C) decrease Vmax. D) decrease Km. E) both choices A and C
Quaternary structure of a protein refers to ________
A) the sequence of amino acids in a polypeptide B) alpha-helical or beta-sheet arrangements of protein structure C) three-dimensional coil of a polypeptide around itself D) the association of multiple polypeptide subunits to form a functional protein E) the number of amino acids in a polypeptide chain
In eukaryotes, genetic information is passed to the next generation by processes that include mitosis or meiosis
Which of the explanations identifies the correct process and supports the claim that heritable information is passed from one generation to another? A) During mitosis, DNA replication occurs twice within the cell cycle to insure a full set of chromosomes within each of the daughter cells produced. B) Mitosis, followed by cytokinesis, produces daughter cells that are genetically different from the parent cell, thus insuring variation within the population. C) In asexual reproduction, a single individual is the sole parent and passes copies of its genes to its offspring without the fusion of gametes. D) Single-celled organisms can fuse their cells, reproducing asexually through mitosis to form new cells that are not identical to the parent cell.
Men increase faster and to a greater extent than do women on similar weight training programs.
a. true b. false