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BIO403 9/10

1. Which of the following best describe sexlinked traits?
Traits controlled by genes located on the x-chromosomes

2. If the alleles are sex-linked, equillibrum frequencies are approached in ____generations
Several

3. Which of the following is an important consequencies of having many alleles at a locus
Most individuals in a population arae heterozygotes

4. Which of the following provides the raw genetic materials upon which evolution acts?
Mutation

5. When a trait is completely recessive, both the hetrozygote and the dominant homozygote have a fitness of _____
1

6. Who championed the importance of genetic drift?
Wright

7. Mutation of a dominant gene (A) to a recessive gene (a) is refered to as a ____ mutation
Forward

8. Which of the following is not true of natural selection?
It is a relative measure of selection coefficient

9. Hardy-Weinberg laws depend on the following assumptions except __.
there are genotype dependent differences in the ability to survive to reproductive age and transmit gene to the next generation

10. When do changes in allelic frequencies take place due to chance alone? I. when population was small, II. when alleles are rare III. when the genotype is heterzygous
I and II