Crossing over (mark all that apply):O produces new assortments of maternal and paternal chromosomesresults in new gene combinations on chromosomeis considered a misdemeanor in Utah, Arizona, Alabama, Arkansas, Mississippi and South Carolinaoccurs during Prophase I of meiosisoccurs during Anaphase I of meiosisoccurs during Prophase 2 of meiosis and increases genetic diversity Which of the following occurs during the first (MI) stage of meiosis? (mark all that apply)O centromeres splittetrads formchromosomes are in monad formchromosomes are in dyad formtetrads do not form

Introduction:- Crossing over is the exchange of portions ( genetic segments) of non sister…

Answered: Crossing over (mark all that apply): O…

Human Heredity: Principles and Issues (MindTap Course List)

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Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 23QP: Meiosis Explains Mendels Results: Genes Are on Chromosomes Discuss the pertinent features of meiosis...

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Meiosis Explains Mendels Results: Genes Are on Chromosomes The following diagram shows a hypothetical diploid cell. The recessive allele for albinism is represented by a, and d represents the recessive allele for deafness. The normal alleles for these conditions are represented by A and D, respectively. a. According to the principle of segregation, what is segregating in this cell? b. According to Mendels principle of independent assortment, what is independently assorting in this cell? c. How many chromatids are in this cell? d. Write the genotype of the individual from whom this cell was taken. e. What is the phenotype of this individual? f. What stage of cell division is represented by this cell (prophase, metaphase, anaphase, or telophase of meiosis I, meiosis II, or mitosis)? g. After meiosis is complete, how many chromatids and chromosomes will be present in one of the four progeny cells?
Meiosis Explains Mendels Results: Genes Are on Chromosomes Define the following pedigree symbols:
Nondisjunction can be caused by ________. a. crossing over in meiosis b. segregation in meiosis c. failure of chromosomes to separate during meiosis d. multiple independent assortments
The chromosome constitution number of this individual is 2=6. This drawing represents: a. mitotic metaphase. b. meiotic metaphase I. c. meiotic metaphase II. d. a gamete. e. sixnonhomologous chromosomes.
Genes on the same chromosome tend to stay together during _____ and end up in the same ______. a. mitosis; body cell b. mitosis; gamete c. meiosis; body cell d. meiosis; gamete e. both a and d
Meiosis Explains Mendels Results: Genes Are on Chromosomes Discuss the pertinent features of meiosis that provide a physical correlate to Mendels abstract genetic laws of random segregation and independent assortment.
_______ segregate during ______. a. Homologues; mitosis b. Genes on one chromosome; meiosis c. Homologues; meiosis d. Genes on one chromosome; mitosis
Figure 13.6 Which of the following statements about nondisjunction is true? Nondisjunction only results in gametes with n+1 or n-1 chromosomes. Nondisjunction occurring during meiosis II results in 50 percent normal gametes. Nondisjunction during meiosis I results in 50 percent normal gametes. Nondisjunction always results in four different kinds of gametes.
. State where cells divide mitotically and where they divide meiotically in a fern, a moss, a flowering plant, apine tree, a mushroom, a frog, a butterfly, and a snail.
Meiosis Card Sort- Write the letter for each stage in the correct order
Indicate the stage of meiosis (e.g., metaphase 2 = M2; prophase 1 = P1; anaphase 2 = A2; etc.) in which each of the following events occurs. first cell stage in which the original maternal/paternal chromatid doublets (chromosomes) are in separate cells chromosomes (chromatid doublets) first synapse (tetrads are visible) chromosomes (chromatid doublets, but NOT tetrads) line up in single file one doublet next to the other crossing over and recombination occurschromatid doublets move toward opposite poles of cellchromosomes (DNA) replicatechromatids separate as centromeres dividechromosomes (chromatid doublets) line up as tetrads at the cell’s equator
Describe the process of meiosis (meiosis I and meiosis 2) and Explain the differences between meiosis and mitosis Identify at which stage crossing over occurs

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