Select true or false for each of the following statements regarding metaphase I. Homologous chromosomes are connected only at the centromeres. Answertruefalse Homologous chromosomes are aligned at the metaphase plate. Answertruefalse The paternal chromosomes are aligned on one side of the metaphase plate and the maternal chromosomes are aligned at the other. Answertruefalse In a cell with 4 chromosome pairs, there are 16 different ways to align the tetrads. Answertruefalse Homologous chromosomes are independently assorted. Answertruefalse

Select true or false for each of the following statements regarding metaphase I. Homologous chromosomes are connected only at the centromeres. Answertruefalse Homologous chromosomes are aligned at the metaphase plate. Answertruefalse The paternal chromosomes are aligned on one side of the metaphase plate and the maternal chromosomes are aligned at the other. Answertruefalse In a cell with 4 chromosome pairs, there are 16 different ways to align the tetrads. Answertruefalse Homologous chromosomes are independently assorted. Answertruefalse

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Description: Select true or false for each of the following statements regarding metaphase I.Homologous chromosomes are connected only at the centromeres. AnswertruefalseHomologous chromosomes are aligned at the metaphase plate. AnswertruefalseThe paternal chromo

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter20: The Reproductive System

Section: Chapter Questions

Problem 11RE

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Select true or false for each of the following statements regarding anaphase II. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse Non-kinetochore microtubules lengthen the cell. Answertruefalse
A somatic cell has the genotype DdEe. All chromosomes in this organism are metacentric. Show metaphase and the results of mitosis if the D and E locus are linked on the same chromosome in trans configuration. A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. 2.1. What is the haploid number of this organism? 2.2. Using diagrams show a ceii at metaphase of mitosis and show the results of mitosis.
A sexually reproducing organism has the following phenotype DdEeAaTt. The D and E loci are on the same arm of a metacentric chromosome in the cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Show a diagram of the cell in metaphase of mitosis and the result of mitosis.
A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.
Select true or false for each of the following statements regarding anaphase I. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse
A diploid cell undergoes meiosis to form the four gametes shown below. H OHhQq OhQ q Part 1 What is the genotype of the diploid cell? Hq OHHhhQQqq 99 HH H QQ Part 2 Arrange the chromosomes for the diploid cell as they must have lined up during metaphase I of meiosis in order to make the gametes shown above. The vertical dotted line represents the metaphase plate. hh q HH X Q h Q h
Identify the correct features by dragging the labels/descriptions to their correct targets. A Bivalent (A) P1 M2 M1 P2 duplicated homologous chromosomes line up ind ndently at the metaphase plate (8) M1 P1 CH P2 M2 duplicated homologous chromosomes pair before lining up at the metaphase plate C B Sister chromatid Division that results in nonidentical daughter cells Division that results in identical daughter cells
Draw and label the mitotic phases (prophase, metaphase, anaphase & telophase) and meiotic phases (prophase I, metaphase I, anaphase I, telophase I, prophase II, metaphase II, anaphase II, & telophase II) for 2N=6. Be sure to indicate the chromosomal complement at each stage and whether the chromosomes are duplicated (consisting of sister chromatids) or not. For the meiotic phases, please add the following labels to your diagrams: In prophase I: tetradIn metaphase I: nonsister chromatidsIn anaphase I: homologous chromosomes, kinetochore microtubule In telophase I: sister chromatidsIn prophase II: centriolesIn metaphase II: centromereIn anaphase II: nonkinetochore microtubule, astral raysIn telophase II: cleavage furrow
A typical somatic cell from a badger, which is a diploid, sexually reproducing animal, contains a total of 32 chromosomes. Gametogenesis in badgers is similar to humans. What is the genome size for the badger in terms of chromosome number? How many DNA molecules would be found in a secondary oocyte before dividing? How many chromosomes would be found in a cell at metaphase? How many DNA molecules should be in a tetraploid liver cell from the badger?
In a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequences Note: More info about genetic consequences and cell type if possible, you can disregard other criteria or parameter of comparison like synapsis, crossing over.
Human somatic cells have 46 chromosomes. How many chromosomes are present in human cells undergoing each of the following phases of meiosis? Interphase - Answer: 0 2 3 4 6 9 2 Prophase I - Answer: 0 2 3 4 6 9 2 Prophase II - Answer: 0 2 3 4 6 9 2 Telophase I - Answer: 0 2 3 4 6 9 2 Telophase II - Answer: 0 2 3 4 6 9 2
A diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify number of set/s of chromosomes per cell after mitosis, number of set/s of chromosomes at Telophase 1, and number of chromosomes per cell at Telophase 1.