Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 13, Problem 5RQ
The first suggestion that chromosomes may physically exchange segments came from the microscopic identification of.
- synapsis
- sister chromatids
- chiasmata
- alleles
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Students have asked these similar questions
Hypothetically speaking, what will be the form of chromosomes if it will condense after S
phase?
sister chromatids
Otelophase chromosome
Osingle chromatid
O homologous chromosome
Can be more than one answer:
Select all of the following that are true of MEIOSIS but not of MITOSIS.
a) cell division occurs during cytokinesis
b) results in two identical daughter cells
c) halves the number of chromosomes in a cell
d) spindle fibers contract during anaphase
e) tetrads line up on metaphase plate
Hypothetically speaking, what will be the form of chromosomes if it will condense after S phase?
homologous chromosome
O telophase chromosome
single chromatid
sister chromatids
Chapter 13 Solutions
Biology 2e
Ch. 13 - Figure 13.3 In a test cross for two...Ch. 13 - Figure 13.4 Which of the following statements is...Ch. 13 - Figure 13.6 Which of the following statements...Ch. 13 - X-linked recessive traits in humans (or in...Ch. 13 - The first suggestion that chromosomes may...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which of the following codes describes position 12...Ch. 13 - In agriculture, polyploid crops (like coffee,...Ch. 13 - Assume a pericentric inversion occurred in one of...
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- Hypothetically speaking, what will be the form of chromosomes if it will condense after S phase? O homologous chromosome OOOO sister chromatids Osingle chromatid telophase chromosomearrow_forwardList three ways in which mitosis differs from meiosos. Be specificarrow_forwardWhat process must happen in order for sister chromatids to be formed? a crossing over b DNA replication c relaxation of chromosomes during interphase d meiosisarrow_forward
- 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 centromeresarrow_forwardDefine Sister Chromatids in own wordsarrow_forwardDraw various stages of mitosis of a cell with 4 chromosomes (2n = 4) on a piece of paper.arrow_forward
- Which of the following statements applies to non-sister chromatids? they are genetically identical they segregate from each other at anaphase of mitosis they contain the same genes in the same order but may have different alleles they are attached to each other at the centromerearrow_forwardIdentify centromere, duplicated and unduplicated chromosomes in the following diagram.arrow_forwardMitosis is used to make more body cells while meiosis is only used to make gametes for sexual reproduction. Use the diagram to identify one similarity and one difference between mitosis and meiosis. Your answer must specifically refer to this diagram. [i.e. say what specific cells in the diagram show the similarity or difference] Mitosis Parent cell Meiosis Parent cell DNA replicates DNA replicates 2 daughter cells 2 daughter cells 4 daughter cells U.S. National Library of Medicine (Level 3) tv МacВook Air 80 DD F5 F7 F8 F9 F10 F2 F3 @ # $ & * 3 4 9. 7 8 W E R Y 一 S H J K C V M Varrow_forward
- Chromosomes become fully aligned during which phase? Zygotene Leptotene Pachytene O Diplotenearrow_forwardDraw a single duplicated chromosome, labeling the chromatid(s) and centromerearrow_forwardThe same chromosome can look very different depending on when in meiosis it is observed. Explain fully why this is so and also why the chromosome is less condensed during some parts of the cell cycle? How many DNA molecules does each chromosome contain at the beginning of Prophase I? Use the following terms in your explanation: chromatin, histone, chromatid, centromere.arrow_forward
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