BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 11, Problem 2U
What are homologous chromosomes?
a. The two halves of a replicated chromosome
b. Two identical chromosomes from one parent
c. Two genetically identical chromosomes, one from each parent
d. Two genetically similar chromosomes, one from each parent
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What change in chromosome structure causes an extra copy of a chromosomal region to occur?
A.
Duplication
B.
Inversion
C.
Simple translocation
D.
Deletion
E.
Reciprocal translocation
How can duplications arise?
A.
by uneven crossing over during meiotic prophase
B.
by the loss of a telomere
C.
by chromosome breakage and exchange of arms
D.
by spindle failure during chromosome separation
What is a genetically identical copy of an organism?
a.Karyotype
b.Clone
c.Autosome
d.Diploid
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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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 statement about homologous chromosomes is FALSE? Select one: a. They contain the same genes in the same places along the length of the chromosome b. One member of the homologous pair came from your mother, the other from your father c. For a particular gene, one member of the pair may have one allele, while the other has a different allele d. They are joined together at the centromere as the two halves of the typical X-shaped chromosomearrow_forwardWhat is a genetically identical copy of an organism? A. Karyotype B. Autosome C. Clone D. Diploidarrow_forwardA research scientist is studying diseases associated with homologous chromosomes and notices that the same gene along the chromosome has different function what can you conclude about his findings? A. The homologous pairs have been recombined and therefore he is studying end joining of chromosomes B. He is studying sex chromosomes and the differences are because the chromosomes are from a male species organism C. He has identified different alleles among homologous chromosomes. D. He is studying basic chromosome remodeling during fertilzationarrow_forward
- What structure is most important in forming the tetrads? a. centromere b. synaptonemal complex c. chiasma d. kinetochorearrow_forwardWhat cellular process is responsible for genetic recombination? a. The independent alignment of homologous pairs during meiosis I b. Separation of the homologues in meiosis I c. Separation of the chromatids during meiosis II d. Crossing over between homologuesarrow_forwardAt metaphase I, homologous chromosomes are connected only at what structures? a. chiasmata b. recombination nodules c. microtubules d. kinetochoresarrow_forward
- A diploid plant cell contains 2 billion base pairs of DNA. a. How many nucleosomes are present in the cell? b. Give the number of molecules of each type of histone protein associated with the genomic DNA.arrow_forwardAny deviation in the number of chromosomes that involves individual chromosomes, as opposed to entire sets of chromosomes, is known as which one of the following?a. Aneuploidy c. Duplication b. Disomy d. Translocationarrow_forwardWhen a germ cell undergoes meiosis, which event would MOST likely result in four aneuploid daughter cells? A. misalignment of the chromosomes during metaphase I B. misalignment of the chromosomes during anaphase I C. misalignment of the chromosomes during metaphase II D. misalignment of the chromosomes during anaphase IIarrow_forward
- A mature female tiger, with 38 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) with how many chromosomes per cell? A. 18 autosomes, and 1 sex-determining chromosome (Y) B. 36 autosomes, and 2 sex-determining chromosomes (XX) C. 18 autosomes, and 1 sex-determining chromosome (X) D. 34 autosomes, and 2 sex-determining chromosomes (XY) E. 17 autosomes, and 1 sex-determining chromosome (X)arrow_forwardWhat 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_forwardWhat is the main difference between autopolyploid and allopolyploid? a. the number of chromosomes b. the functionality of the chromosomes c. the source of the extra chromosomes d. the number of mutations in the extra chromosomesarrow_forward
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