BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 11, Problem 5U
During anaphase I
a. sister chromatids separate and move to the poles.
b. homologous chromosomes move to opposite poles.
c. homologous chromosomes align at the middle of the cell.
d. all the chromosomes align independently at the middle of the cell.
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What is the function of the kinetochore during mitosis?a. It promotes the attachment of monads to each other toform a dyad.b. It is a location where a kinetochore microtubule can attachto a chromosome.c. It promotes the condensation of chromosomes duringprophase.d. Both a and b are correct.
These items separate from each other during anaphase 2 of meiosis. a. Sister chromatids
b. Homologous chromosome
c. Genes
d. The two parts of a cell
The dividing cells shown in the picture would be in _?_ of _?_. Assume that the starting cell was diploid and it was 2n=4.
A. Metaphase, mitosis
B. Metaphase, meiosis I
C. Metaphase, meiosis II
D. Anaphase, meiosis I
E. Anaphase, mitosis
Chapter 11 Solutions
BIOLOGY W/CONNECT >IP<
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...
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- Chiasmata: a. form during metaphase II of meiosis. b. occur between two nonhomologous chromosomes. c. represent chromosomes independently assorting. d. are sites of DNA exchange between homologous chromatids. e. ensure the resulting cells are identical to the parent cell.arrow_forwardSeparation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forwardMetaphase in mitosis is similar to what stage in meiosis? a. prophase I b. prophase II c. metaphase I d. metaphase II e. crossing-overarrow_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_forwardAt metaphase I, homologous chromosomes are connected only at what structures? a. chiasmata b. recombination nodules c. microtubules d. kinetochoresarrow_forwardHow many chromatids are visible in a human cell at the start of anaphase I? a. 23 c. 92 b. 46 d. 184arrow_forward
- What is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forwardWhich of the following occurs during metaphase II? A. The chromosomes align midway between spindle poles. B. The sister chromatids separate and move toward the spindle poles. C. Spindle microtubules attach to each sister chromatid as the nuclear envelope breaks up. D. A nuclear envelope forms around each set of chromosomes to form four haploid nuclei.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_forward
- Crossing over occursA. in late interphase.B. in early to mid prophase.C. in mid to late prophase.D. when chiasmata appear.arrow_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_forwardThrough a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely? If the DNA content of a DIPLOID cell in the G1 phase of the cell cycle is represented by 'x. then the DNA content of the same cell at metaphase of MElosIs I would be? 3.Cell A has half as much DNA as cells B. C. and D in a mitotically active tissue. Cell A is likelv in? 4. Which of the following is a recessive trait © Polydactyly © Albinism © Huntington Disease Juvenile glaucoma O None are correctarrow_forward
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