(answered) – 1 of 30 During which stage of meiosis does crossing-over occur?DescriptionSolution downloadThe Question1 ?of?30During which stage of meiosis does crossing-over occur?prophase Ianaphase Itelophase Iprophase IIanaphase IIQuestion2 ?of?30Crossing-over occurs between _____.sister chromatids of the same chromosome.two different kinds of chromosomes.nonsister chromatids of chromosomes.two daughter nuclei.two different tetrads.Question3 ?of?30Which occurs in anaphase?Centrioles move to opposite poles.Chromosomes line up along the equator of the dividing cell.Chromosomes move to opposite poles.The nuclear envelope disappears.The nuclear envelope forms.Question4 ?of?30Which of the following is the BEST description of Mendel’s principle of independent assortment?There is always one allele that is dominant over anotherGenes for different characteristics sort into eggs or sperm without regard for the position of other genes on other chromosomes.Genes from each parent are blended together in the offspring, resulting in the offspring having a mixture of characteristics from bothEach offspring will receive a gene from the female parent and a gene from the male parentMales and females mate with each other based on predetermined sexual stimuli. In other words, mating is not completely independent of all factors.Question5 ?of?30If you had an individual who showed a dominant phenotype and you wanted to find out if the individual was homozygous or heterozygous, you could do a test cross. You would cross the unknown with a knownhomozygous dominant.heterozygous.homozygous dominant or heterozygous individual.individual that looks just like itself.homozygous recessive.Question6 ?of?30If a parental cell has 12 chromosomes, then each of the daughter cells following meiosis will have _____.48 chromosomes.24 chromosomes.12 chromosomes.6 chromosomes.4 chromosomes.Question7 ?of?30Interphase is the stage when __________.a cell ceases to function.a germ cell forms its spindle apparatus.a cell grows and duplicates its DNA.mitosis takes place.the nucleoli disappear.Question8 ?of?30In a Mendelian monohybrid cross, which generation is always completely heterozygous?F1?generationF2?generationF3?generationP generationAll of the aboveQuestion9 ?of?30Which occurs in metaphase?Centrioles move to opposite poles.Chromosomes line up along the equator of the dividing cell.Chromosomes move to opposite poles.The nuclear envelope disappears.The nuclear envelope forms.Question10 ?of?30If both parents in a dihybrid cross are heterozygous for both traits, the expected phenotypic ratio in the offspring would be1:12:19:3:3:11:2:1The results vary from individual to individual.Question11 ?of?30If a pea plant shows a recessive phenotype, _____.it can be either TT or Tt.it can be either Tt or tt.it can be only TT.it can be only tt.it can be TT, Tt, or tt.Question12 ?of?30A pair of chromosomes that are similar in length, shape, and the traits they govern are called ____.diploid chromosomesmitotic chromosomeshomologous chromosomesgerm chromosomeshomozygous chromosomesQuestion13 ?of?30If a parental cell has 14 chromosomes prior to mitosis, how many chromosomes will each daughter cell have?28 because each chromatid is a chromosome14 because the chromatids separateonly 7 after mitosis is finishedany number between 7 and 287 in the nucleus and 7 in the cytoplasm, for a total of 14Question14 ?of?30The offspring of a monohybrid testcross would show the genotype(s) _____.AA and Aa.Aa and aa.AA, Aa, and aa.AA only.aa only.Questi
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