Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 2QP
Crossing Pea Plants: Mendel’s Study of Single Traits
Of the following, which are
genotypes?
- a. Aa
- b. tall plants
- c. BB
- d. abnormal cell shape
- e. AaBb
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Which of the following is false?
a. the pollen grain shape was studied by Mendel.
b. Mendel believed that the characteristics of pea plants were determined by the inheritance units or factors from both parents.
c. An allele is one of several possible forms of a gene.
d. When the genotype consists of a dominant and recessive allele, the phenotype will be like the dominant allele.
All of the following are reasons that Mendel chose the pea plant as a model system for his studies EXCEPT ________.
A) peas have a relatively short generation time
B) peas produce large numbers of seeds
C) he could control which parents were involved in mating
D) peas only reproduce by cross-fertilization
Which if the following is not among Mendels principles?
a. There are factors that is transmitted from parent to offspring?
b. There are only two kinds of traits, dominant and recessive
c. Genes resides in the chromosome
d. Pair of single traits segregate randomly
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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- How can you relate the two principles of Mendel to Chi-Square Values? (essay only)arrow_forwardWhile traits Mendel worked with all adhered to his principles of inheritance, this is not the norm because phenotypes are typically a combination of both genetic and what other kind of influence? A. nature B. nurture C. environmental D. both nurture and environmentalarrow_forwardUsing Mendel’s lines of peas, describe how you would use a test cross experimental design to determine the genotype of a pea plant with purple flowers. Be very specific in describing your experimental design and how you would interpret your results based on the proportion of offspring phenotypes. Make sure to include all possible offspring phenotypes in your answer and what the proportion of phenotypes tells you about the purple plant genotype.arrow_forward
- Which is one of the seven characteristics that Mendel observed in pea plants? a. flower size b. seed texture c. leaf shape d. stem colorarrow_forwardHow are Mendel’s principles different from the concept of blending inheritance ?arrow_forwardIf Mendel chose to study inheritance of height in human, would he have likely discovered the same princeple of heredity that he discovered in working with pea plants? A. Yes, because human height is a continuously varying trait, just like the traits Mendel studied in pea plants. B. No, because the generation time in humans is relatively long compared with pea plants. C. Yes, because the principles of segregation and independent assortment also apply to human genes. D. No, because human height is not genetically determined.arrow_forward
- Mendel is growing flowers. Pure red flowers have a pair of R genes. Pure whiteflowers have a pair of w genes. Red is dominant to white.(a) Write the Punnett square with a pure red parent cross-fertilized with a pure white parent.(b) Write a second Punnett square of the offspring of the preceeding question cross-fertilizedwith a pure white flower.(c) What is the probability that a flower from the second fertilization is pure white? (Writethe probability as a fraction in reduced form.)arrow_forwardn each case where Mendel crossed (i.e., mated) two different true-breeding plants as parents, the offspring displayed only one of the two traits seen in the parents. For instance, a cross between a true-breeding “tall” plant and a true-breeding “short” plant produced offspring that were all “tall.” This observation supports which principle of genetics? a. The law of segregation b. The law of independent assortment c. Dominance and recessiveness d. Allele anomaly e. Gene linkagearrow_forwardIn Mendel’s terminology, a “true-breeding” variety of a particular plant: a. Has a homozygous genotype for that trait b. All of the listed choices are correct c. Will have the same phenotype as the parental plant d. Always has offspring with the same phenotype for that traitarrow_forward
- In the P cross between a homozygous, round pea parent and a homozygous, wrinkled pea parent, which of the following did Mendel either observe or subsequently conclude? Question 5 options: A) All somewhat wrinkled peas in the F1 showed blending inheritance. B) All round F1 peas led Mendel to conclude independent assortment. C) The F2 generation revealed some wrinkled peas, indicating the wrinkled pea form was recessive to the round form. D) Two of the above are correct. E) None of the above is correct. Which of the following is not a trait found in the pea plants that Mendel used in his research? Question 3 options: A) The flowers can be pollinated by hand. B) They are self-pollinating. C) The phenotypes studied are caused by more than two alleles in the population. D) Pure genetic lines can be established. E) All but two of the traits studied have genes that occur on distinct chromosomes.arrow_forwardBaldness is a Sex Influenced Trait. A heterozygous bald man and a heterozygous nonbald woman plan to have two kids. What are the phenotypes for their kids? a.If both sons; they will all be bald. b.If both daughters; both will be bald. c.If both daughters; they will all be normal- nonbald. d.If male or female ; Either a bald or normal daughter and either a bald or normal sonarrow_forwardIn the P cross between a homozygous, round pea parent and a homozygous, wrinkled pea parent, which of the following did Mendel either observe or subsequently conclude?A) All somewhat wrinkled peas in the F1 showed blending inheritance.B) All round F1 peas led Mendel to conclude independent assortment.C) The F1 generation consisted of all peas being round and yellow.D) Two of the above are correct.E) None of the above is correct.arrow_forward
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