Following are key points about the effect of genetic drift:

A. Genetic drift is significant in small populations.

B. Genetic drift can cause allele frequencies to change in a pre-directed way.

C. Genetic drift can lead to a loss of genetic variation within populations.

D. Genetic drift can cause harmful alleles to become fixed.

Which one of the following combination of the above statements are true?

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#Question id: 10820

#Unit 10. Ecological Principles

Of the following types of interactions, which one is least likely to limit population size?

TLS Online TPP Program

#Question id: 1159

#Unit 4. Cell Communication and Cell Signaling

Cholera toxin can make you sick through overactivation of a Gs pathway even if your body stops making the ligand associated with activation of the pathway. Knowing this, which of the following CANNOT be true about cholera toxin?

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#Question id: 2541

#Unit 2. Cellular Organization

In bacteria, DNA will be found in ________.

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#Question id: 704

#Unit 1. Molecules and their Interaction Relevant to Biology

The structural classification of proteins (based on motifs) is based primarily on their:

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#Question id: 3562

#Unit 8. Inheritance Biology

In cats, blood-type A results from an allele (IA) that is dominant over an allele (iB) that produces blood-type B. There is no O blood type. Two heterozygous was intercross. What is the probability of first offspring blood-type B?