Give typed explanation of all otherwise leave it 2. Carefully analyze the following images.CH DDEABa. Describe each as _n=(1 or 2 "sets" of information is held on how many chromosomes). Alsoindicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA)Ploidy (2n or 1n?)_1n_# of chromosomes2_1x_8amount of DNAb. Indicate which diagram (A-E) shows a cell immediately after these phases:cytokinesis of mitosis?cytokinesis of meiosis l?cytokinesis of meiosis II?prophase of mitosis?c. Which of these diagrams does not fit with the others?In what way is it different?

Cell division is a process in which parent cell splits and give rise to new cell . Number of new…

2. Carefully analyze the following images. D A X ! E | B a. Describe each as _n= (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) Ploidy (2n or 1n?) _1n_ # of chromosomes__2____ amount of DNA _1x_ b. Indicate which diagram (A-E) shows a cell immediately after these phases: cytokinesis of mitosis? cytokinesis of meiosis l? cytokinesis of meiosis II? prophase of mitosis? c. Which of these diagrams does not fit with the others? In what way is it different?

2. Carefully analyze the following images. D A X ! E | B a. Describe each as _n= (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) Ploidy (2n or 1n?) _1n_ # of chromosomes2__ amount of DNA _1x_ b. Indicate which diagram (A-E) shows a cell immediately after these phases: cytokinesis of mitosis? cytokinesis of meiosis l? cytokinesis of meiosis II? prophase of mitosis? c. Which of these diagrams does not fit with the others? In what way is it different?

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

Chapter22: Speciation

Section: Chapter Questions

Problem 6TYK

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If a muscle cell of atypical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? 8 16 32 64
__1. If dog’s body cells have 78 chromosomes, how many chromosomes do their gametes have?
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?
2. Healthy elephant somatic cells are 2n=56. How many chromosomes are in a daughter cell at the beginning of MEIOSIS II in elephants? Group of answer choices A. 28 un-replicated B. 28 replicated C. 56 un-replicated D. 56 replicated 3. While studying tumor cells, you notice that the histones of a particular chromosome have more acetyl groups bound to them in tumor cells, compared to the same chromosome in healthy cells. What would you expect for the amount of proteins encoded by genes on that chromosome in tumor cells compared to healthy cells? Group of answer choices A. Higher in tumor cells B. Lower in tumor cells C. Similar in tumor and healthy cells
8. Which is NOT TRUE of the S phase?A. DNA undergoes semiconservative replication.B. Identical sister chromatids are formed from duplication of each chromosome.C. Sister chromatids of each chromosome remain joined to each other at their centromeres.D. A human cell after the S phase has now 4n = 92 chromosomes.9. Which is NOT TRUE of G2?A. It usually lasts about 3 hours.B. It is the interval between chromosome duplication and beginning of mitosis.C. It is during this stage the cell achieves most of its growth.D. A human cell during G2 has 92 chromatids.10. The following are cellular events during prophase, EXCEPT:A. There is gradual condensation of chromosomes from the undifferentiated mass of chromatin.B. Darkly staining nucleoli begin to break down and disappear.C. Centrosomes move apart toward opposite poles and generate new microtubules.D. The nuclear membrane is broken down.11. The following are cellular events during prometaphase, EXCEPT:A. The breaking down of the nuclear…
4. Mendel’s law of independent assortment can be explained by? The random alignment of homologous chromosomes during Metaphase I The random separation of sister chromatid during Metaphase I The random alignment of homologous chromosomes during Metaphase II The random separation of sister chromatid during Metaphase II
I need help with b, c, d the choices for c) are haploid, diploid or tetraploid the choices for d) are same chromosome, a pair of homologus chromosomes, or two different chromosomes
6. A particular organism has 46 chromosomes in its karyotype. Which of the following statements is correct regarding this organism? It must be human. It produces gametes with 23 chromosomes. It must be an animal. It reproduces sexually.
1. A recently discovered bird species was found to have 29 chromosomes in its somatic cells before S phase. a. How many chromosomes (2n) are present in a somatic cell during mitosis? b. How many chromosomes does a bird receive from one parent? c. How many sister chromatids are present during metaphase 2? d. Assuming this species follows the same XX/XY sex differentiation as mammals, how many sex chromosomes are in an unfertilized egg? e. How many pairs of homologous chromosomes would you expect to see lined up during metaphase 2? 2. An onion cell (2n) with 10 autosomes and 2 sex chromosomes is about to undergo meiosis. How many cells will result from this process, and what is the chromosome number and ploidy of each cell? 3. An animal is heterozygous for two autosomal genetic traits found on different chromosomes. Purple fur is inherited dominantly (with pp genotype giving green fur) and the gene is located near the telomere on the short arm of an acrocentric autosome. The gene for…
Do all of them please Multiple choice 1) Although Dolly was only three years old, her chromosomes had the length of a (9-10)-year old sheep. Which of the following best describes why this occurred?A) The cell lines that created Dolly were aged prematurely in the labB) Nonhomologous recombinationC) A mutation enhanced the rate of agingD) Dolly was not a cloneE) The telomeres of the somatic cells that Dolly originated from were shorteningAnswer: 2) Which of the following terms represents a cell that can form any other cell of the organism?A) PluripotentB) TotipotentC) UnipotentAnswer: 3) Bone marrow transplants typically use what type of cells?A) Embryonic stem cellsB) Embryonic germ cellsC) Embryonic carcinoma cellsD) Hematopoietic stem cellsAnswer: 4) Which of the following is an example of a pluripotent cell?A) Embryonic stem cellsB) Red blood cellsC) Fetal heart cellsD) Umbilical cord bloodE) Nerve cellsAnswer: 5) An organism that has integrated recombinant DNA into its genome is…
2. Place this events in the correct order that they occur during homologous recombination: A. Resolvase cuts all four chromatidsB. Strand invasion causes one strand of the uncut chromatid to form a D loop C. Spo11 causes a double-strand break in a nonsister chromatidD. Branch migration lengthens the heteroduplex regionE. Recombinant chromosomes separate from each other
8. The term that describes the classification of chromosome in pairs is called A Karyotype B. Chromosome C. Chromatin D. DNA