What are the predicted phenotypes of the children from a union of a woman who is heterozygous for hemophilia and a

man who is normal? (Use the Punnett square to verify your answer.)
a. 100% normal
b. 75% hemophilia: 25 % normal
c. 50% hemophilia: 50% normal
d. 25 % hemophilia: 75% normal
e. 100% hemophilia


d

Biology & Microbiology

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Why are some xenobiotics biodegraded slower than crude oil and petroleum products?

A) Xenobiotics were designed to inhibit microbial growth. B) Some xenobiotics are novel compounds that differ from naturally occurring chemicals, thus microorganisms have not yet evolved to effectively degrade them. C) Only cometabolic microbial processes degrade xenobiotics. D) Chlorinated compounds are so toxic that biodegradation is not possible.

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Which of the following statements is FALSE regarding CO2 storage in a CAM plant?

A. CO2 is stored as a 4-carbon organic acid. B. CO2 is stored as a result of the activity of PEP carboxylase. C. The storage form is converted to CO2 when sunlight is available. D. CO2 storage allows stomata to be open at night. E. The storage form enters the Calvin cycle as phosphoenol pyruvate.

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The spermaceti of sperm whales is composed of waxy and oily materials

Indicate whether the statement is true or false

Biology & Microbiology

When two Aa glyptodonts mate, what percentage of their offspring would you expect to have yellow shells?

a. 0% b. 25% c. 50% d. 100%

Biology & Microbiology