Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
4th Edition
ISBN: 9781259853197
Author: Robert Brooker
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 16, Problem 2TY
During which phase of nuclear division does the phenomenon described in Mendel’s law of segregation occur?
- a. mitosis
- b. meiosis I
- c. meiosis II
- d. all of the above
- e. b and c only
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The pea plants used in Mendel’s genetic inheritance studies were diploid, with 14 chromosomes in somatic cells. Assuming no crossing over events occur, how many unique gametes could one pea plant produce? a. 28 b. 128 c. 196 d. 16,384
Which of the following is an explanation for independent assortment of alleles on different chromosomes (Mendel's second law)?
A. Chromosomes can have different functions in various types of cells of the same organism.
B. In metaphase I, alignment of 1 pair of replicated chromosomes does not affect the alignment of another pair.
C. Each chromosome is capable of a different function.
D. In prophase I, which chromosomes pairs with which other one is completely random.
E. Chromosomes are divided into daughter cells in a random fashion.
The sequence of processes shown in the photographs above is known as
Select one:
a. mitosis
b. meiosis I
c. meiosis II
d. meiosis I and meiosis II
Chapter 16 Solutions
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
Ch. 16.1 - Prob. 1CCCh. 16.1 - Prob. 2CCCh. 16.1 - Prob. 3CCCh. 16.1 - Prob. 4CCCh. 16.1 - Prob. 5CCCh. 16.1 - Mendels Laws of Inheritance Concept Check: What...Ch. 16.2 - Prob. 1BCCh. 16.2 - Prob. 2BCCh. 16.2 - Prob. 1CCCh. 16.3 - Prob. 1CC
Ch. 16.3 - Prob. 2CCCh. 16.4 - Prob. 1CCCh. 16.4 - Prob. 1EQCh. 16.4 - Prob. 2EQCh. 16.4 - Prob. 3EQCh. 16.5 - Prob. 1CCCh. 16 - Prob. 1TYCh. 16 - During which phase of nuclear division does the...Ch. 16 - Prob. 3TYCh. 16 - Which of Mendels laws cannot be observed in a...Ch. 16 - During a __________blank, an individual with the...Ch. 16 - Prob. 6TYCh. 16 - Prob. 7TYCh. 16 - A hypothetical flowering plant species produces...Ch. 16 - Genes located on a sex chromosome are said to be...Ch. 16 - Prob. 10TYCh. 16 - Prob. 1CQCh. 16 - A cross is made between individuals having the...Ch. 16 - Core Concept: Systems We can view life as a...Ch. 16 - Discuss the principles of the chromosome theory of...Ch. 16 - When examining a human pedigree, what patterns do...
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- The stages of meiosis where independent assortment occurs and crossing over begins, respectively, are Select one: a. Metaphase I and prophase II b. Metaphase II and prophase I c. Metaphase I and prophase I d. Metaphase I and II and prophase I and IIarrow_forwardA man who is color blind and has hemophilia and a woman who is neither color blind nor a hemophiliac have a daughter with triple X syndrome (XXX) who has hemophilia and is color blind. Where did the nondisjunction occur? Group of answer choices a. Paternal meiosis II only b. Maternal meiosis II or paternal meiosis I c. Maternal meiosis I or paternal meiosis II d. Paternal meiosis II or maternal meiosis II e. Maternal meiosis II only (b is not the right answer)arrow_forwardAn individual has 2n = 14 chromosomes. How many chromosomes do we find in: a. A monosomic b. A trisomic c. A tetrasomic d. A double trisomicarrow_forward
- Which of the following CANNOT be true about the inheriteance the trait depicted in the pedigree diagram below? A. It is recessive B. It is dominant C. It is on the X chromosome D. It is recessive, and it is on the X chromosomearrow_forwardWith regard to linked genes on the same chromosome, whichof the following statements is false?a. Crossing over is needed to produce nonrecombinant offspring.b. Crossing over is needed to produce recombinant offspring.c. Crossing over is more likely to separate alleles if they arefar apart on the same chromosome.d. Crossing over that separates linked alleles occurs duringprophase of meiosis I.arrow_forwardGenes G and H are located on chromosome 18. A woman with the genotype Gg Hh has a child with a man with the genotype GG HH. Unfortunately, the child has the genotype Ggg hhh and only survives for 6 months. When and in which parent did nondisjunction occur? Group of answer choices a. Meiosis II in the mother b. Meiosis I in the mother c. Meiosis I in the father d. Meiosis II in the fatherarrow_forward
- During the observation of a baby the diagnosis of Down's syndrome was made. What is the main cause of this pathology? Select one: a. Trisomy on the 13-th chromosome. b. Trisomy on the 21-st chromosome. c. Trisomy on X chromosome. d. Monosomy on the 1-st chromosome. O e. Undivergence of sex chromosomes.arrow_forwardIn 95% of cases of Down's syndrome, there is an entire extra chromosome 21 in every cell. This aneuploid condition is the result of A. Improper crossing over. B. Independent assortment. C. Nondisjunction. D. All are correct.arrow_forwardIn a particular dihybrid (T/t, B/b) the alleles of the "T" and "B"genes indicated in the figure below are located on different chromosomes (blue and red) Which of the choices WOULD NOT represent a stage of MEIOSIS in this organism? B. B. B 8800 B. B. B. E b.arrow_forward
- How many types of gametes can be produced from the following diploids? Show the gametes. A. AaBB B. AaBb C. AABBarrow_forwardWhich of the following must be true about the inheritance the trait depicted in the pedigree diagram below. A. it is recessive B. It is dominant C. It is on the X chromosome D. There is not enough information to determine the mechanism of inheritancearrow_forwardFor Mendel's law of segregation requires that a. the genes for the traits he studied must be located on the same chromosome. b. chromosomes be duplicated by mitosis. C. genes are not transmitted independently of each other. d. two alleles at any locus are distributed into separate gametes during meiosis. e. only triploid organisms demonstrate inheritance patterns.arrow_forward
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