Inversion heterozygotes can have a higher probability of producing gametes that are abnormal in their genetic content because:O these homologous chromosomes can't pair during meiosis Icrossovers within an inversion loop can alter the genetic compositionO misalignment of genes during crossover eventsO they produce translocationsboth chromosomes contain the same inversion

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Description: Inversion heterozygotes can have a higher probability of producing gametes that are abnormal in their genetic content because:O these homologous chromosomes can't pair during meiosis Icrossovers within an inversion loop can alter the genetic composi

Organism consisting of an one homolog consisting of inverted Segment while another consists of…

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Inversion heterozygotes can have a higher probability of producing gametes that are abnormal in their genetic content because

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter11: Meiosis: The Cellular Basis Of Sexual Reproduction

Section: Chapter Questions

Problem 1TYK: The chromosome constitution number of this individual is 2=6. This drawing represents: a. mitotic...

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in the experiment of following chromosomal dna mvement througgh meiosis, why. do you use non-sister chromatids to demobstrate crossing over? what combinatiobns of alleles could result from a crossover between BD and bd chromosomes? Identify two ways that meiosis contributes to genetic recombination. Why is it necessary to reduce the number of chromosomes in gametes, but not in other cell?
The frequency of single crossover recombinant gametes (those with chromosomes having crossed over) occurring is half the frequency of the actual crossing over event. What would best explain this? O Each crossover takes place between only non-sister chromatids of a homologous chromosome pair O Crossovers occur in about 50% of meiosis events O This doesn't actually occur because all genes are on separate chromosomes O A test cross between a homozygous and heterozygote produces % heterozygotes and % homozygotes progeny O Shugoshin is inappropriately expressed in meiosis II causing nondisjunction to occur
Two chromosomes have the following orders for their genes:Normal: A B C centromere D E F G H IAbnormal: A B G F E D centromere C H IDoes the abnormal chromosome have a pericentric or a paracentricinversion? Draw a sketch showing how these two chromosomeswould pair during prophase of meiosis I.
eiosis mod e correct order. 4 Compare the models of the two processes. List all of the differences you can see between meiosis and mitosis below. Northern Virginia Community Collego 188 I BIO 142 Human Anatomy and Physiology II
What is the corect order of these meiotic events? A Segregation of homologous chromosomes to opposite poles 8 Segregation of sister chromatids to opponite poles. CAignment of homologous pairs on the midplate of thve cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus. CDEAB O DCERA O EDCBA O EDCAB O DCARE
Here is a list of events out of order for nondisjunction during meiosis l: A One homologous chromosome pair moves to the same side of the cell B Gametes are produced with the wrong number of chromosomes C Alignment of homologous pairs on the metaphase plate D Pairing and synapsis of homologous chromosomes E Spindle fibers shorten to separate the homologous chromosomes What is the correct order of events? i DCEAB CDAEB CDAEA DCEBA
After telophase Il of meiosis, the chromosomal makeup of each daughter cell is: Practia diploid, and the chromosomes are each composed of a single chromatid. O diploid, and the chromosomes are each composed of two chromatids. O haploid, and the chromosomes are each composed of a single chromatid. O haploid, and the chromosomes are each composed of two chromatids.
in the expermient of following chromosomal dna movement through meiosis, how many chromosomes were present when meiosis I started? How many nuclei are present at the end of meiosis ll? How many chromosomes are in each? What is the ploidy of the DNA at the end of meiosis l? What about at the end of meiosis ll? How are meiosis l and meiosis ll different? List two reason
In humans, the diploid chromosome number is 46 (2N = 46). For each of the meiotic stages listedbelow, supply the correct number of chromosomes. -Meiotic Stage Chromatids at Prophase ICentromeres at Prophase IITetrads at Prophase I (pachytene)Chromatids at Telophase IlChromosomes at Metaphase IIDyads at Anaphase I
Which of the following chromosomal rearrangements usually results in normal meiosis? translocation homozygote translocation heterozygote paracentric inversion heterozygote pericentric inversion heterozygote
pair of homologous chromosomes pair of homologous chromosomes HH nondisjunction normal meiosis I meiosis II normal meiosis II nondisjunction Sometimes chromosomes or chromatids do not separate as they normally would during meiosis and this phenomenon is called non-disjuction. This phenomenon has occurred in the above diagrams during anaphase II in A and anphase I in B anaphase I in A and anaphase II in B metaphase I in A and metaphase II in B metaphase II in A and metaphase I in B
Let’s suppose a pea plant is heterozygous for three genes, Tt Yy Rr, and each gene is on a different chromosome. How many different wayscould the three pairs of homologous chromosomes line up during metaphase of meiosis I?