In a certain population, a particular recessive condition occurs in 1 out of 400 individuals. What is the frequency of the recessive allele in this population?

a) 0.05
b) 0.0025
c) 0.025
d) 0.5
e) 0.95


Ans: a) 0.05

Biology & Microbiology

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The biologist Donald Perry discovered that rainforest birds interact in what way with the Norantea

sessilis vine?

a. Birds nest within the shelter of the thorny vine, which repels predators. b. Birds feed on the fruits of the vine, distributing the seeds around the forest in their droppings. c. Birds appear to be overfeeding on the vine's succulent fruits, probably limiting the plant's chances of long-term survival. d. Birds that feed on the nectar of the flowers inadvertently transfer pollen from one vine to another on their feet. e. Birds that feed on the nectar of the flowers inadvertently transfer pollen from one vine to another on their beaks.

Biology & Microbiology

Four of the five answers listed below are parts of the inner ear. Select the exception

a. eardrum b. oval window c. semicircular canals d. auditory nerve e. cochlea

Biology & Microbiology

During which phase of aerobic respiration is

FADH2 produced? a. glycolysis b. ethanol production c. acetyl-CoA formation d. the Krebs cycle e. glycolysis and the Krebs Cycle

Biology & Microbiology

Most of of the noncycling carbon is in this form

A) Ecology B) Producers C) Decomposers D) Limestone

Biology & Microbiology