Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 3, Problem 23QP
Meiosis Explains Mendel’s Results: Genes Are on Chromosomes
Discuss the pertinent features of meiosis that provide a physical correlate to Mendel’s abstract genetic laws of random segregation and independent assortment.
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When Gregor Mendel was working in the mid 1800s, scientists had not yet discovered chromosomes or meiosis. However, we now understand how Mendel's principles are rooted in the events of meiosis. As an example of this, state Mendel's principle of independent assortment and explain how it relates to independent assortment in meiosis.
Mendel's Law of Independent Assortment states that:
the members of a pair of homologous chromosemes assort independently of each other during gamete formation
none of these
the members of a pair of homologous chromosomes separate from each other during gamete formati
different pairs of homologous chromosomes assort independently of each other during gamete formation
different pairs of homologous chromosomes separate from each other during gamete formation
Which of the following statements is true about the molecular basis of Mendel's
second law?
OThe random attachment of the sister chromatids and the split of them into
different daughter cells during the second round of cell division in Meiosis
ensure Mendel's second law of independent assortment of alleles.
OThe random attachment of the sister chromatids and the split of them into
different daughter cells during the first round of cell division in Meiosis ensure
Mendel's 2nd law.
O The molecular basis of independent assortment of alleles is the segregation of
sister chromatids during the second round of cell division in Meiosis.
O The molecular basis of independent assortment of alleles is the segregation of
homologous chromosomes during the second round of cell division in Meiosis.
O The molecular basis of independent assortment of alleles is the segregation of
homologous chromosomes during the first round of cell division in Meiosis.
Chapter 3 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 3.4 - Why do scientists design experiments to disprove...Ch. 3.4 - Should Ockhams razor be considered an irrefutable...Ch. 3.7 - Prob. 1EGCh. 3.7 - For most cases, a p value of 0.05 is used to...Ch. 3 - Prob. 1CSCh. 3 - Prob. 2CSCh. 3 - Prob. 3CSCh. 3 - Prob. 1QPCh. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...
Ch. 3 - Prob. 4QPCh. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Prob. 6QPCh. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - Prob. 14QPCh. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - Prob. 17QPCh. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Prob. 26QPCh. 3 - Prob. 27QPCh. 3 - Variations on a Theme by Mendel A characteristic...Ch. 3 - Prob. 29QPCh. 3 - Variations on a Theme by Mendel Pea plants usually...Ch. 3 - Prob. 31QPCh. 3 - Prob. 32QPCh. 3 - Prob. 33QPCh. 3 - Prob. 34QPCh. 3 - Prob. 35QPCh. 3 - Prob. 36QP
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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
- (a) During which division of meiosis do Mendel's rules of Segregation and Independent assortment аpply? (b) The genotype of F1 individuals in a tetrahybrid cross is AaBbCcDd. Assuming independent assortment of these 4 genes what are the probabilities that F2 offspring will have the following genotypes? (i) AABBCCDD (ii) AaBBccDd (c) If the quantity of DNA in a cell at G1 of the cell cycle is 5 picograms (pg); what will the quantity of DNA in that cell be at G2 phase of the cell cycle? Give reasonarrow_forwardSuppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. Of their children, 16 were heterochromatic and 9 were‑normal. Calculate the chi‑square value for this observation.arrow_forwardMendel's Law of Independent Assortment refers to [ Select ] In the picture below, what assorts independently from each other? [ Select ] If the cell in the picture below undergoes S phase and then Meiosis, what are the possible gamete types? [ Select ] Parent cell A- 2n=4 a- B.arrow_forward
- What aspect of chromosome behavior most clearly accounts for Mendel's law of segregation? Movement of sister chromatids to opposite poles at anaphase Il of meiosis. Movement of homologous chromosomes to opposite poles at anaphase I of meiosis. Crossing over between homologous chromosomes during prophase I of meiosis. Replication of chromosomes prior to meiosis. Independent alignment of different homologous pairs on the metaphase I spindle.arrow_forwardIn his famous paper, Mendel writes that he set out to“determine the number of different forms in whichhybrid progeny appear” and to “ascertain their numericalinterrelationships.” How did his close attention tonumbers lead him to discover segregation and independentassortment?arrow_forwardExplain in easy/understandable way and make sense of the three mendelian laws In Order on how they relate to the cell division/meiosis, explain it's process each in cell division and also after law of dominance, next in law of independent assortment and law of segregation which comes first between the two?arrow_forward
- The outcome of Mendel’s law of independent assortment is dependent on how chromosomes are arranged at which phase?arrow_forwardSingle nucleotide polymorphisms do not show mendelian segregation through meiosis. Is this true or false? Please explain briefly why and answer the question as quickly as possible.arrow_forwardMatch the observations about meiosis and crosses below with the corresponding principle developed by Mendel. A heterozygous individual [ Choose ] produces 50% of each gamete type. Alleles controlling different traits [ Choose ] can be transmitted to gametes in non-parental combinations. Each pair of homologous [ Choose ] chromosomes aligns and separates independently in metaphase and anaphase of meiosis I >arrow_forward
- Which of the following behaviors of chromosomes explains Mendel's second law (law of independent assortment)?arrow_forwardMendel performs a cross using a true-breeding pea plant with round, yellow seeds and a true- breeding pea plant with green, wrinkled seeds. What is the probability that offspring will have green, round seeds? Calculate the probability for the F1 and F2 generations.arrow_forwardMendel crossed wrinkle-seeded (rr) plants with pure round-seeded plants (RR). What percentage of the resulting generation had wrinkled seeds?arrow_forward
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