Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 10, Problem 2MCQ
According to Mendel, if an individual is heterozygous for a gene, the
- a. the recessive trait alone.
- b. the dominant trait alone.
- c. a blend of the dominant and recessive traits.
- d. a wild-type trait.
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Students have asked these similar questions
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.
In a trait that follows Mendelian rules of inheritance, what is the only way an organism can have the recessive phenotype?
A. By having the homozygous recessive genotype
B. By being heterozygous for that genotype
C. It is not possible to get the recessive phenotype in Mendelian genetics
D. If one parent is homozygous recessive for that trait, any offspring are guaranteed the recessive phenotype
E. By being homozygous dominant for that genotype
Match the pattern of inheritance to the appropriate term.
A. Heterozygotes with different alleles of the DTL1 gene survive better than homozygotes B. The disease is usually passed from a mother to all children
C. Pure-breeding pumpkin plants grown on sandy soil have bigger seeds than plants of the same pure-breeding lineage grown on peaty soil.
D. A cross between a true-breeding plant with serrated leaf edges and a true- breeding plant with smooth leaf edges produces an F1 generation with 88% plants with serrated leaves.
E. A cross between two heterozygotes, DdFf, produces offspring in three phenotypic groups; Long wings in offspring with genotype D_F_, short wings in offspring with D_ff, and no wings in offspring with the genotypes ddF_ and ddff.
F. Individuals homozygous for a mutation in SME have a heightened sense of smell and large earlobes.
G. Grey chickens bred together have offspring that are black, grey and white in a 1:2:1 ratio
H.Alleles at locus S…
Chapter 10 Solutions
Biology: Concepts and Investigations
Ch. 10.1 - Describe the relationships among chromosomes, DNA,...Ch. 10.1 - Prob. 2MCCh. 10.2 - Why did Gregor Mendel choose pea plants as his...Ch. 10.2 - Distinguish between dominant and recessive;...Ch. 10.2 - Prob. 3MCCh. 10.3 - What is a monohybrid cross, and what are the...Ch. 10.3 - How are Punnett squares helpful in following...Ch. 10.3 - Prob. 3MCCh. 10.3 - How does the law of segregation reflect the events...Ch. 10.4 - Prob. 1MC
Ch. 10.4 - Prob. 2MCCh. 10.4 - How can the product rule be used to predict the...Ch. 10.5 - How do patterns of inheritance differ for unlinked...Ch. 10.5 - What is the difference between recombinant and...Ch. 10.5 - Prob. 3MCCh. 10.6 - Prob. 1MCCh. 10.6 - Differentiate between pleiotropy and epistasis.Ch. 10.6 - How can the same phenotype stem from many...Ch. 10.6 - Figures 10.18 and 10.20 show two ways that a...Ch. 10.7 - Prob. 1MCCh. 10.7 - Prob. 2MCCh. 10.7 - Why do males and females express recessive...Ch. 10.7 - Prob. 4MCCh. 10.8 - Prob. 1MCCh. 10.8 - Prob. 2MCCh. 10.9 - Prob. 1MCCh. 10.9 - Prob. 2MCCh. 10.10 - Prob. 1MCCh. 10.10 - Prob. 2MCCh. 10 - In the list of four terms below, which term is the...Ch. 10 - According to Mendel, if an individual is...Ch. 10 - Prob. 3MCQCh. 10 - Which of the following is a possible gamete for an...Ch. 10 - Use the product rule to determine the chance of...Ch. 10 - Refer to the linkage map in figure 10.16b. A...Ch. 10 - How can epistasis decrease the number of...Ch. 10 - Prob. 8MCQCh. 10 - Prob. 9MCQCh. 10 - Prob. 1WIOCh. 10 - Prob. 2WIOCh. 10 - Some people compare a homologous pair of...Ch. 10 - How did Mendel use evidence from monohybrid and...Ch. 10 - Prob. 5WIOCh. 10 - Prob. 6WIOCh. 10 - Prob. 7WIOCh. 10 - Prob. 8WIOCh. 10 - Prob. 9WIOCh. 10 - A family has an X-linked dominant form of...Ch. 10 - X inactivation explains the large color patches in...Ch. 10 - Prob. 12WIOCh. 10 - Prob. 13WIOCh. 10 - Design an experiment using twins to determine the...Ch. 10 - Prob. 1GPCh. 10 - In Mexican hairless dogs, a dominant allele...Ch. 10 - A species of ornamental fish comes in two colors;...Ch. 10 - Two lizards have green skin and large dewlaps...Ch. 10 - Prob. 5GPCh. 10 - Prob. 6GPCh. 10 - Prob. 7GPCh. 10 - Prob. 8GPCh. 10 - Prob. 9GPCh. 10 - Prob. 1PITCh. 10 - Explain the effects of a mutation, using allele,...Ch. 10 - 3. Add meiosis, gametes, incomplete dominance,...
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- While 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_forwardWhat is Mendelian inheritance? a. Mendelian genes code an entire phenotype so that children will not be clones of their parents. b. Mendelian genetics are those genes that code for dominant or recessive illnesses but only if no polygenic traits cancel them out. c. Mendelian genes sit at one loci with one allele from Mom and one allele from Dad. d. Mendelian genetics is when two or more genes at two or more loci express one traitarrow_forwardWhich statement about the pattern of inheritance for a rare dominant allele is true? OA. Unaffected mothers have sons who are affected and daughters who are carriers. B. Every affected person has an affected parent. C. Affected parents do not produce affected children. D. Unaffected fathers have sons who are affected and daughters who are carriers. E. Unaffected parents can produce children who are affected.arrow_forward
- When sets of genes group together, the result can be multiple traits expressed as a single dominant trait. This is best explained by the process known as a. dominant inheritance. b. recessive inheritance. c. polygenic inheritance. d. amines.arrow_forwardHow can a polygenic trait be easily identified? a. There ae only two possible phenotypes for the trait. b. The graphing of the possible phenotypes results in a bell curve. c. The presence of the polygenic trait masks the other possible alleles involved. d. The environment has a greater influence on the trait.arrow_forwardMany inheritance patterns in traits, especially continuous ones, cannot be accounted for by Mendelian genetics. Why might this be? Select all that apply. A. The trait might not be controlled by any genes. B. The trait might have multiple genes that control it. C. There might not be any alleles that result in the trait. D. There might be more than two alleles that result in the trait. E. Two alleles might be codominant for the trait. F. The trait might not have any codominant alleles.arrow_forward
- Distinguish between the following genetic terms: A. gene and allele. B. Homozygous and heterozygous. C. genotype and phenotype. D. Dominant and recessive.arrow_forwardState the conclusions reached by Mendel in his work on the inheritance of characteristics. Explain how each of the following deviates from these conclusions: a. Autosomal linkage b. Sex-linked (X-linked) inheritance c. Polygenic (multiple-gene) inheritancearrow_forwardWhich 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 randomlyarrow_forward
- Which of the following statements describes the multifactual inheritance in genetics? A. One locus is associated with different traits. B. One locus is associated with variable phenotypes of a trait. C. Several loci are associated with the trait.arrow_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_forwardMendel’s crossing of round-seeded pea plants with wrinkled-seeded pea plants resulted in progeny that all had round seeds. This indicates that the wrinkled-seed trait is Select one: a. rare b. abnormal c. dominant d. codominant e. recessivearrow_forward
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