QuestionQuestion 1.1.Crossing over and the random distribution of maternal and paternal chromosomes are responsible for (Points : 1)genetic stability.cell division.genetic variation.DNA synthesis.none of the aboveQuestion 2.2.A measurable or observable trait or characteristic of an organism is called a(n)(Points : 1)phenotypegenotypeallelegeneQuestion 3.3.A functional chromosome contains which of the following?(Points : 1)origin of replicationtelomerescentromeresall of the aboveQuestion 4.4.Errors in chromosome separation are rarely a problem for an organism.(Points : 1)TrueFalseQuestion 5.5.Genetics contribute to advances in:(Points : 1)agriculture.pharmaceuticals.medicine.modern biology.All of the above.Question 6.6.Bacteria and viruses can be used to study genes and inheritance, even though they are structurally and metabolically different from animal and plant cells.(Points : 1)TrueFalseQuestion 7.7.The function(s) of a DNA repair gene is studied by the subdivision of genetics called:(Points : 1)population genetics.transmission genetics.molecular genetics.Question 8.8.Sister chromatids separate and move toward opposite poles during which phase of mitosis?(Points : 1)prophasepro-metaphasemetaphaseanaphasetelophaseQuestion 9.9.If a typical somatic cell has 32 chromosomes, how many chromosomes are expected in each gamete of that organism?(Points : 1)466401632Question 10.10.Progression through the different phases of the cell cycle is regulated by key transition points called checkpoints.(Points : 1)TrueFalseQuestion 11.11.Crossing over usually occurs during(Points : 1)meiosis I.meiosis II.mitosis.S-phase.Crossing over occurs randomly in all division types.Question 12.12.Genetic information can be carried in which of the following biomolecules?(Points : 1)proteinsDNA and not RNARNA and not DNAEither DNA or RNAQuestion 13.13.A eukaryotic cell in G1 has a mutation that prevents cyclin B from being made.At which cell cycle stage would this cell stop?(Points : 1)G1SG2M (anaphase)M (telophase)Question 14.14.Which stage of meiosis increases genetic variability in the gamete cells?(Points : 1)telophaseprophase Ianaphase Ianaphase IIQuestion 15.15.Evolution cannot occur without genetic changes in populations.(Points : 1)TrueFalseQuestion 16.16.Which of the following is not a component within a single nucleotide of a nucleic acid?(Points : 1)nitrogenous basesugarpolymerasephosphateQuestion 17.17.The complete genetic makeup of any organism is its(Points : 1)genotypegenomeproteomeDNAQuestion 18.18.A form of a gene that has a slightly different sequence than other forms of the same gene but encodes the same type of a protein is called a(n)(Points : 1)phenotypegenotypeallelegeneQuestion 19.19.In which part of the cell cycle is DNA replicated?(Points : 1)G1G2SMDNA is replicated before the cell cycle.Question 20.20.Permanent, heritable changes in genetic information (DNA) are called(Points : 1)mutationsgenesallelesgenome