Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 11, Problem 4U
Crossing over involves each of the following with the exception of
a. the transfer of DNA between two nonsister chromatids.
b. the transfer of DNA between two sister chromatids.
c. the formation of a synaptonemal complex.
d. the alignment of homologous chromosomes.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A bivalent consists of:
A
Two chromatids and one centromere
B
Four chromatids and two centromeres
C
Two chromatids and two centromeres
D
Four chromatids and four centromeres
The role of cohesin is toa. make chromosomes more compact.b. allow for the replication of chromosomes.c. hold sister chromatids together.d. promote the separation of sister chromatids.
Which of the following describes the state of chromosomes in metaphase II?
a
two chromatids joined at the centromere
b
individual chromosomes
c
homologous pair
d
haploid daughter cells
Chapter 11 Solutions
Biology
Ch. 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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is not true in regard to crossover? a. Spindle microtubules guide the transfer of DNA across the synaptonemal complex. b. Nonsister chromatids exchange genetic material. c. Chiasmata are formed. d. Recombination nodules mark the crossover point.arrow_forwardthe kinetochore of a metaphase chromosome is a. The ends of the chromosome that are duplicated by telomerase. b. The repeated DNA sequence at the centromere that is composed of cohesion protein. c. A protein complex that assembles on the outer surface of the chromosome to mediate attachment to the kinetochore microtubules d. The protein complext that contains cohesion and mediates attachment of the sister chromatids.arrow_forwardA chiasma links a pair of (a) homologous chromosomes at prophase II (b) homologous chromosomes at late prophase I (c) sister chromatids at metaphase II (d) sister chromatids at mitotic metaphase (e) sister chromatids at metaphase Iarrow_forward
- What is the fundamental difference between mitosis and meiosis? A. DNA is replicated twice in meiosis, but only once in mitosis. B. The number of DNA molecules per cell nucleus is cut in half in meiosis but remains constant in mitosis. C. The number of chromosomes doubles in meiosis, whereas it stays the same in mitosis. D. Mitosis involves two cell divisions, whereas meiosis only involves one.arrow_forwardwhich of the following events occurs during anaphase B in a mitotic cell a. lengthening of the overlap microtubules b. Shortening of the overlap microtubules c. Shortening of the overlap microtublues d. Shortening of the astral microtubules e. Lengthening of the kinetochore microtubulesarrow_forwardWhich of the following occurs during metaphase I? A. Homologous chromosomes pack tightly, pair up, and swap segments. B. Homologous chromosome pairs are aligned midway between spindle poles. C. The spindle separates the homologous chromosomes and moves them toward opposite spindle poles. D. A complete set of chromosomes cluster at each cell end, and two haploid nuclei are produced.arrow_forward
- Which of the following statements are true? a. after contromeres divide, chromatids are known as chromosomes b. centromeres are seperated during anaphase c. during anaphase, some microtubles become shorter and pull sister chromatids in opposite direction d. all these are truearrow_forwardThese items separate from each other during Anaphase of Mitosis. a. Sister chromatids b. Homologous chromosomes c. Genes d. The two parts of the cellarrow_forwardSeparation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forward
- During which phases of the mitotic cycle would the terms chromosome and chromatid refer to identical structures?arrow_forwardDuring crossing over,a. chromatids of homologous chromosomes exchange parts.b. mutations occur with higher than average frequency.c. chromatids of nonhomologous chromosomes exchange parts.d. nondisjunction occurs.arrow_forwardIn an organism with 6 pairs of chromosomes, how many chromosomes and DNA molecules (chromatids) will be present in EACH cell at the following stages: a. G1: chromosomes _______ chromatids _________ b. Metaphase of mitosis: chromosomes ______ chromatids Answer _______ c. Following telophase of mitosis: chromosomes________ chromatids _____ d. Metaphase of meiosis I: chromosomes _____ chromatids ______ e. Following telophase of meiosis I: chromosomes _______ chromatids ________ f. Following completion of meiosis II: chromosomes _____ chromatids _____arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Human Heredity: Principles and Issues (MindTap Co...
Biology
ISBN:9781305251052
Author:Michael Cummings
Publisher:Cengage Learning
The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY