Which of the following represents a dihybrid cross?

A) YY x pp B) YYyy x PPpp C) Yp x YY D) YP x Yp E) YyPp x YyPp


Answer: E

Biology & Microbiology

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Average human males are most likely to be attracted to women with a waist to hip ratio of 0.72.  Women with this waist to hip ratio are also the most fertile.  By being attracted to women with a waist to hip ratio, a male is increasing his chances of having children and thus improve his ____ .  

A.  longevity B.  gene flow C.  fitness D.  allele frequency

Biology & Microbiology

Which pathway is affected by an inherited mutation in the ATM gene?

A) nucleotide excision repair pathway B) photoreactivation C) p53 repair pathway D) reactivation repair pathway E) UV repair pathway

Biology & Microbiology

Anthrax is not routinely diagnosed in the U.S. because

A. infection is generally only seen in late-stage AIDS patients. B. infections are usually asymptomatic. C. it is a rare infection. D. health care workers haven't been trained to detect it.

Biology & Microbiology

Riboswitches regulate transcription, rather than translation, in cells.

Answer the following statement true (T) or false (F)

Biology & Microbiology