Biology 211 (5) ~ SI Practice Exam #3 ~ ~ 11/5/07
1.) During cell division…
a.) Mitosis comes before cytokinesis.
b.) Cytokinesis comes before mitosis.
c.) Mitosis and cytokinesis happen at the same time.
d.) none of the above.
2.) Mitosis yields
a.)4 identical daughter cells.b.) 2 non-identical daughter cells.
c.) 2 identical daughter cells.d.) 4 non-identical daughter cells.
3.) During interphase of the mitotic cell cycle,
a.) cellular growth only occurs during the G1 and G2 phase.
b.) cellular growth occurs during all subphases.
c.) cellular growth occurs only during S phase.
d.) cellular growth only occurs during mitosis.
4.) The transmission of traits from one generation to another is called:
a.) genetic recombination.b.) meiosis.
c.) gene transmission.d.) inheritance.
5.) Chromosomes in a pair that have the same length, staining pattern, and centromere position are known as______.
a.) homolougues.b.) sister chromatids
c.) somatic chromosomes.d.) none of the above.
6.) Gametes are produced by ______which takes place in the ______part of the life cycle.
a.) mitosis, haploid.b.) mitosis, diploid.
c.) meiosis, diploid.d.) meiosis, haploid.
7.) Which of the following is not true about alleles?
a.) Alleles are another name for sister chromatids.
b.) Alleles are alternate versions of genes.
c.) Alleles account for the variation in inherited characters.
d.) All of the above are true.
8.)What are the resulting probabilities of a cross between QQ and Qq?
a.) 25% QQ: 50% Qq: 25% qqb.) 50% QQ: 25 Qq: 25% qq
c.) 50% QQ: 50% Qqd.) 75% QQ: 25% Qq
9.) Cyctic Fibrosis is an example of ______.?
a.) plieotrophyb.) multiple alleles
c.) epistasisd.) incomplete dominance
10.) Trisomy 21 is an example of______.
a.) Polyploidyb.) Aneuploidy
c.) monosomyd.) none of the above.
11.) Darwin coined the term______.
a.) evolutionb.) gradualism
c.) natural selectiond.) uniformitarianism.
12.) What is the differential success in reproduction that results from the interaction between individuals that vary in heritable traits and their environments?
a.) survival of the fittest.b.) natural selection
c.) evolutiond.) inheritance
13.) What is the smallest unit that can evolve?
a.) familyb.) an individual
c.) populationd.) species
14.) A localized group of individuals capable of interbreeding and producing fertile offspring is a______.
a.) speciesb.) family
c.) packd.) population.
15.) New genes and alleles originate only by
a.) mutationsb.) genetic drift
c.) natural selectiond.) gene flow
16.) Which of the following is not a condition for Hardy-Weinberg Equilbirum?
a.) Extremely large population size
b.) No gene flow
c.) Mutations must occur
d.) No Natural Selection can occur.
17.) A sudden change in the environment that may drastically reduce the size of a population is called ______.
a.) Genetic Driftb.) the Founder Effect
c.) Gene Flowd.) the Bottleneck Effect
18.) The ______species concept cannot be applied to asexual organisms.
a.) biologicalb.) morphological
c.) ecologicald.) phylogenetic