BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 11.3, Problem 2LO
Summary Introduction
To describe: The importance of monopolar attachment of homologous pairs at metaphase I.
Introduction: The reproduction is defined as the biological process in which the new individual organism or offspring are produced by their parents. It is divided into two types namely asexual reproduction and sexual reproduction. Most of the plants and animals reproduce sexually.
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Chapter 11 Solutions
BIOLOGY
Ch. 11.1 - Prob. 1LOCh. 11.1 - Prob. 2LOCh. 11.2 - Describe how homologous chromosomes pair during...Ch. 11.2 - Prob. 2LOCh. 11.3 - Prob. 1LOCh. 11.3 - Prob. 2LOCh. 11.3 - Prob. 3LOCh. 11.4 - Prob. 1LOCh. 11.4 - Prob. 2LOCh. 11.4 - Explain the importance of the suppression of...
Ch. 11 - Prob. 1IQCh. 11 - In comparing somatic cells and gametes, somatic...Ch. 11 - What are homologous chromosomes? a. The two halves...Ch. 11 - Chiasmata form a. between homologous chromosomes....Ch. 11 - Crossing over involves each of the following with...Ch. 11 - During anaphase I a. sister chromatids separate...Ch. 11 - At metaphase I the kinetochores of sister...Ch. 11 - What occurs during anaphase of meiosis II? a. The...Ch. 11 - Which of the following does NOT contribute to...Ch. 11 - How does DNA replication differ between mitosis...Ch. 11 - Which of the following is NOT a distinct feature...Ch. 11 - Which phase of meiosis I is most similar to the...Ch. 11 - Structurally, meiotic cohesins have different...Ch. 11 - Prob. 6ACh. 11 - Diagram the process of meiosis for an imaginary...Ch. 11 - Mules are the offspring of the mating of a horse...Ch. 11 - Compare the processes of independent assortment...Ch. 11 - Aneuploid gametes are cells that contain the wrong...
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- Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it takes place during cell division.arrow_forwardDiscuss 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)?arrow_forwardBriefly describe the events that occur in each phase of interphase.arrow_forward
- Overall, meiosis and mitosis are analogous processes involving many of the same proteins. However, some proteins function uniquely in each of these cell-division events. Explain the meiosis-specific function of the following: (a) Ime2, (b) Rec8, (c) monopolin.arrow_forwardProtein complex present at centromeres in mitotic cells structure formed when DNA wraps around an octameric histone core Protein complex that is degraded at anaphase to allow sister chromatids to separate at mitosis microtubule based structure used to segregate chromosomes in mitosis and meiosis 1. cohesin complex 2. kinetochore 3. monopolin 4. nucleosome 5. synaptonemal complex 6. telomere 7. sister chromatid 8. spindlearrow_forwardIn a turtle species, a diploid cell in the G1 phase of the cell cycle contains 22 picograms of DNA (picogram is a measure of the total mass of the DNA present). How much DNA is present in a cell of the same species at prophase II of meiosis (prophase of the second meiotic division)?arrow_forward
- why The chromatids formed byrecombination within the inversion loop of a pericentric inversionheterozygote are genetically unbalanced?arrow_forwardwhy anaphase I is important?arrow_forwardDescribe the series of events by which APC/C promotes the separation of sister chromatids at anaphase.arrow_forward
- Predict how the synaptic configurations of homologous pairs ofchromosomes might appear when one member is normal and theother member has sustained a deletion or duplication.arrow_forwardWhat molecular mechanism seems to be responsible for the movement of the poles during anaphase?arrow_forwardDraw the tetrads during metaphase I:arrow_forward
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