5. Consider a single diploid cell about to go through meiosis. It has 4 centromeres. a. How many chromosomes, sister chromatids, and pairs of homologous chromosomes does this cell have? b. How many cells are produced at the end of meiosis? c. How many chromosomes do each of the daughter cells contain at the end of meiosis?

5. Consider a single diploid cell about to go through meiosis. It has 4 centromeres. a. How many chromosomes, sister chromatids, and pairs of homologous chromosomes does this cell have? b. How many cells are produced at the end of meiosis? c. How many chromosomes do each of the daughter cells contain at the end of meiosis?

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 8TYK: In the human sperm: a. there must be one chromosome of each type, except for the sexchromosomes,...

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In the human sperm: a. there must be one chromosome of each type, except for the sexchromosomes, where either an X or a Y chromosome is present. b. a chromosome must be represented from each parent. c. there must be an unequal number of chromosomes from both parents. d. there must be representation of chromosomes from only one parent. e. there is the possibility of 246 different combinations ofmaternal and paternal chromosomes.
Metaphase in mitosis is similar to what stage in meiosis? a. prophase I b. prophase II c. metaphase I d. metaphase II e. crossing-over
The first suggestion that chromosomes may physically exchange segments came from the microscopic identification of. synapsis sister chromatids chiasmata alleles
1.Why are organisms that have only a single set of chromosomes (haploid) often more favorable for genetic experiments than those having two sets (diploid)? 2. A cell of genotype Aa undergoes meiosis. What will be the genotype(s) of the daughter cells if all of them are functional?
2.) What are the three function of Meiosis cell division? What is the end result of meiosis cell division?
9) A diploid cell is preparing to undergo meiosis. Before the 'S' phase, the cell has 6 picograms (pg) of DNA in it. Answer the following: a) After the 'S' phase of the cell cycle what ploidy is the cell? How many picograms of DNA does it contain? b) After meiosis I, how many daughter cells are there total? What is the ploidy of each cell? How many picograms of DNA does each cell contain?
1. What happens during crossing over? Why is “recombination” an alternative term for what happens during the process of crossing over? Does it occur during mitosis? If so, when? If not, explain why not. Does crossing over occur during meiosis? If so, when? If not, explain why not. How does crossing over influence the genetic diversity of gametes?
1. Why is the onion root used to demonstrate mitosis? 2. Why is the Whitefish embryo used to demonstrate mitosis?
__1. If an organism’s somatic cell has 2n=8, what will be the chromosome number of its gametes (undergo meiosis I and II)?
3 Applying Concepts If a diploid cell containing 28 chromosomes undergoes meiosis, how many chromosomes will each daughter cell have?
7) Picture a scenario where the maternal and paternal chromosomes randomly align all on the same side (all the maternal chromosomes on one side and all of the paternal chromosomes on the other side). If this happened in your body, this would theoretically result in the production of gametes that contained chromosomes which ALL originated from either your mother or your father. Are the chromosomes contained in these gametes identical to the ones you originally inherited from your mother and father? Why or Why not?
1. What are the four types of changes in chromosomal structure? 2. Why would you expect a monosomy to be more lethal than a trisomy?