How does the founder effect influence the frequency of alleles in a population?

What will be an ideal response?


The alleles carried by the founding population are the only alleles available in the population unless mutation occurs or new individuals migrate to the area. If an allele is not present in the founding population, subsequent generations will not display that trait. For example, if all individuals shipwrecked on an island were blood type O (a recessive trait), all of their descendants would be type O.

Biology & Microbiology

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The immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells is ________.

A. IgE B. IgA C. IgD D. IgG E. IgM

Biology & Microbiology

A protein that increases the rate of transcription but does not directly bind to the DNA is called a __________

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

Biology & Microbiology

Movement of soluble organic material through sieve tube members occurs through ____.

A. translocation B. active transport C. cohesion-tension D. transpiration E. facilitated transport

Biology & Microbiology

An area had no previous community and had no existing soil at first, but then living things started occupying the area. This situation would be called ________

A) secondary replacement B) climax community C) biological magnification D) primary succession

Biology & Microbiology