Dr. Marilyn Menotti was trying to identify the cat whose hairs were evidence in a murder investigation. When she tested a particular genetic marker, the suspect's cat, Snowball, showed 28 and 25 copies of a TG repeat. How would you explain it if Snowball only showed 28 copies?

What will be an ideal response?


Snowball showed 28 and 25 copies of the TG repeat because one copy of chromosome B3 contained 28 copies and the other copy contained 25. If both copies of chromosome B3 contained 28 copies, this is the only result that would be seen.

Biology & Microbiology

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a. glucose b. carbon dioxide and water c. ethyl alcohol and carbon dioxide d. pyruvic acid and carbon dioxide e. lactic acid

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The division of a bacterial cell occurs as the

A. actin and microtubules constrict the cytoplasm. B. chromosomes are pulled toward the ends of the cell. C. cell wall develops cracks around the equator of the cell. D. new membrane and cell wall materials begin to grow and form a septum.

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The information within the central squares of a Punnett square represents 

A. parental genotypes. B. parental gametes. C. offspring genotypes. D. gamete phenotypes.

Biology & Microbiology

The ________ account for 10?15% of microtubules.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology