1). A diploid somatic cell from a dog (Canis lupus familiaris) has a total of 78 chromosomes (2n = 78).As in humans, sex chromosomes determine sex: XX in females and XY in males.a) What is the total number of DNA molecules in G2 of the cell cycle?b) What is the total number of sister chromatids during prometaphase?c) What is the total number of telomeres in a somatic dog cell in G1?d) What is the total number of autosomes?

a) Total number of DNA molecules in G2 of the cell cycle:In the G2 phase, the cell has already…

Answered: 1). A diploid somatic cell from a dog…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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4) What is occurring during the Anaphase stage of mitosis, such as is shown in the figure to the right? A) The DNA is being replicated. B) The homologous chromosomes are separating. C) Sister chromatids are being pulled to opposite poles. D) A cleavage furrow is forming to divide the cell. Inid parents made gametes using
A cell undergoing division has a haploid chromosome number of 15. Give the numerical value for each of the following: a) number of chromatids in a cell in anaphase of mitosisb) number of chromosomes in a cell in metaphase of mitosisc) number of homologous pairs in a cell in prophase of meiosis I d) number of chromatids in a cell in metaphase of meiosis IIe) number of centromeres in a cell in prophase of meiosis II f) number of centromeres following cytokinesis of meiosis I
What is the final result of mitosis in a human A) nearly genetically identical 2n somatic cells B) genetically different 2n somatic cells C) nearly genetically identical 1n somatic cells D) genetically identical 2n gamete cells Which of the following statements is TRUE? A) A single, replicated chromosome with sister chromatids has two centromeres. B) A single, unreplicated chromosome has two DNA molecules. C) Sister chromatids from a single chromosome are connected at the centromere. D) Homologous chromosomes are connected at the centromere. The first gap in the cell cycle (G1) corresponds to _____. A) normal growth and cell function B) the phase in which DNA is being replicated C) the beginning of mitosis D) the phase between DNA replication and the M phase In a diploid cell from a specific species has 5 chromosome pairs, how many sister chromatids will be found in a nucleus at prophase of mitosis? (Draw it!) A) 5 B) 10 C) 20 D) 40 Consider a cell from the species above.…
Human cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in the particular cell.a) metaphase of mitosisb) metaphase I of meiosis c) telophase of mitosisd) telophase I of meiosis e) telophase II of meiosis (Remember that a pair of attached chromatids count as one chromosome.)
During meiotic prophase in a eukaryotic cell, Spo11 initiates recombination by causing a double-strand break in DNA between Gene A and Gene B on one sister chromatid. Which of these events will occur prior to formation of a Holliday junction? A) A heteroduplex forms due to pairing of Gene A and Gene B. B) Resolvase cuts all four chromatids. C) Spo11 causes a double-strand break in a nonsister chromatid. D) Strand invasion causes one strand of the uncut chromatid to form a D loop. E) Branch migration lengthens the heteroduplex region to include Gene A and Gene
44) Pick the answer that best describes how metaphase I and metaphase II differ from each other. A) Metaphase I lines up homologous chromosomes on the metaphase plate while metaphase II lines up sister chromatids. B) Metaphase I is a haploid stage while metaphase II is a diploid stage C) Metaphase I lines up sister chromatids on the metaphase plate while metaphase II lines up homologous chromosomes. D) Metaphase I is a diploid stage while metaphase II is a haploid stage E) A&D
If there are 24 chromosomes in a somatic cell in the Gap 1 of the cell cycle, what is the diploid number of chromosomes for this organism? a) 48 b) 12 c) 24 d) 35
A cell in G1 of interphase has 12 chromosomes. How many chromosomes and DNA molecules (chromatids) will be found per cell when this original cell progresses to the following stages? a) G2 of interphaseb) Metaphase I of meiosisc) Prophase of mitosisd) Prophase II of meiosise) After cytokinesis following mitosis f) After cytokinesis following meiosis
imagine a giraffe whose diploid is 30. A) what # of chromosomes will be present in a somatic cell at prophase of mitosis? B) what will be the # of chromosomes present in a somatic cell at prophase 2 of meiosis?
A cell in G1 of interphase has 8 chromatins. How many chromosomes and how many DNA molecules will be found per cell as this cell progresses through the following stages: a) metaphase b) anaphase c) after cytokinesis in mitosis d) metaphase I e) anaphase I f) metaphase II g) anaphase II h) after cytokinesis of meiosis II
28. The physical structure that is formed when two chromatids cross over is called a(n) A) synaptomenal complex B) bivalent C) karyotype D) chiasmado
In a diploid cell, two homologous chromosomes are: A) similar , but from two different species B) mirror images of each other C) similar, but from two different people D) identical to each other E) copies of each other

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