please answer all, I'll give thumbs up 1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cellat the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid-telophase).(a) chromatids at Anaphase-l(b) chromatids at Anaphase(c) chromosomes at Metaphase-l(d) chromosomes at the close of Telophase-I(e) chromosomes at Telophase II. 3. The letters below represent genes found on different chromosome pairs. Letters that aresimilar represent one gene found in a pair of homologous chromosomes. Another letterrepresents another gene found in another pair of chromosomes. Draw how these differentpairs of chromosomes behave during meiosis. Use the back of these sheet for your drawings.(a) Cc (b) BbCC (c)DdEe (d) AAbbCc (e) AaBbCcDdHow many different* gamete genotypes will be produced by individuals of the followinggenotypes if all genes shown are on different chromosome pairs. (Indicate the genotypes ofeach gamete of (a), (b) and (c)) *By different, meaning different chromosome combinations. Forexample: Ef is the same as fE → these are the same chromosome combinations, even ifarrangement as to which is written first, are different.

Introduction : A chromatid is an identical copy of a chromosome produced each time the chromosome…

1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cell at the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid- telophase). (a) chromatids at Anaphase-l (b) chromatids at Anaphase (c) chromosomes at Metaphase-l (d) chromosomes at the close of Telophase-I (e) chromosomes at Telophase II.

1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cell at the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid- telophase). (a) chromatids at Anaphase-l (b) chromatids at Anaphase (c) chromosomes at Metaphase-l (d) chromosomes at the close of Telophase-I (e) chromosomes at Telophase II.

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

Chapter14: Dna Structure And Replication

Section: Chapter Questions

Problem 11TYK: Discuss Concepts Eukaryotic chromosomes can be labeled by exposing cells to radioactive thymidine...

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Discuss Concepts Eukaryotic chromosomes can be labeled by exposing cells to radioactive thymidine during the S phase of interphase. If cells are exposed to radioactive thymidine during the S phase, would you expect both or only one of the sister chromatids of a duplicated chromosome to be labeled at metaphase of the following mitosis (see Section 10.2)?
The cell above is a lung cell of a salamander. In which stage of mitosis is it? What are the structures visible in green and blue fluorescence?
At metaphase I the kinetochores of sister chromatids are a. attached to microtubules from the same pole. b. attached to microtubules from opposite poles. c. held together with cohesin proteins. d. not attached to any microtubules.
1. If 2n = 30, how many sister chromatids prophase I? _______ 2. If 2n= 30, how many chromosomes in metaphase II? _______ 3. If 2n = 30, how may daughter cells after telophase II? ________
How many chromosomes would an oocyte contain if during anaphase II, the chromatids of one chromosome did not separate?
In mitosis, what chromatid combination(s) will be present during metaphase? What combination(s) will be present at each pole at the completion of anaphase?
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?
8. a. What are the four major stages of the cell cycle?b. Which stages are included in interphase?c. What events distinguish G1, S, and G2?
1. Which among the lettered cells in Fig 2 are at interphase stage? 2. What mitotically important events occur in the cell during interphase? 3. What feature is labelled “V” in figure 2?
1. What materials provide the substance of a densely staining chromosomes present during mitosis? 2. What hereditary components are the chromosomes believed to carry with them?
if there are 9 chromosome pairs that undergo mitosis and meiosis, - how many chromatids are there in Prophase? -What is the chromosome number at Metaphase? -How many centromeres are there in Metaphase I? -How many univalents per pole at Anaphase? -What is the chormosome number at Telophase and Telophase I after cytokinesis?
Somatic cells of chimpanzees contain 48 chromosomes.How many chromatids and chromosomes are present at: (a) anaphase of mitosis, (b) anaphase I ofmeiosis, (c) anaphase II of meiosis, (d) G1 priorto mitosis, (e) G2 prior to mitosis, (f) G1 prior tomeiosis I, and (g) prophase of meiosis I?How many chromatids or chromosomes are presentin: (h) an oogonial cell prior to S phase, (i) a spermatid, (j) a primary oocyte arrested prior to ovulation,(k) a secondary oocyte arrested prior to fertilization,(l) a second polar body, and (m) a chimpanzee sperm?