What are the predicted phenotypes of the female children from the union of a woman who is
heterozygous for hemophilia and a man who has normal blood clotting characteristics? (Use the
Punnett square to verify your answer.)
a. all carriers
b. 3 homozygous normal : 1 carrier
c. 1 homozygous normal : 1 carrier
d. 1 hemophilia: 2 homozygous; normal : 1 carrier
e. all hemophiliacs
C
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Which of the following statements is correct?
A. Scientists do not have any evidence regarding whether prokaryotic or eukaryotic cells evolved first. B. Eukaryotic cells evolved a lot earlier (over a billion years) than prokaryotic cells. C. Prokaryotic cells and eukaryotic cells evolved at about the same time. D. Prokaryotic cells evolved a lot earlier (over a billion years) than eukaryotic cells.
The varicella virus is a member of which virus family?
A. Paramyxo B. Toga C. Papilloma D. Herpes
Keratin and silk are examples of ________, whereas glucose and maltose are examples of ________
A) proteins; carbohydrates B) nucleic acids; lipids C) proteins; lipids D) carbohydrates; proteins
A flower could best be described as which of the following?
A. modified petals B. modified leaves C. modified stems D. primary buds E. incomplete leaves