Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 13, Problem 3SQ
Summary Introduction
Concept Introduction: Independent assortment is one of the laws proposed by Mendel. Mendel proposed the law of independent assortment based on the results of dihybrid cross that “alleles at one locus tend to assort into gametes independently of alleles at other loci”.
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A heterozygous individual has_____ for a trait being studied. a. the same allele on both homologous chromosomes b. two different alleles of a gene c. a haploid condition, in genetic terms
Independent assortment means thata. two genes tend to be inherited together.b. which allele of a gene is included in a gamete has noeffect on which allele of a second gene is included in thesame gamete.c. which allele of a gene is included in a gametedetermines which allele of a second gene is included inthe same gamete.d. homologous chromosomes do not separate during meiosis.
n fruit flies, eye color is a sex-linked trait, and red eyes (the wild-type variant) are dominant to white eyes (the mutant variant denoted by the letter W). A white-eyed, male fruit fly is observed in the laboratory. The genotype of this fly is _________, which is best described as being __________.
a.
X+Y+; heterozygous
b.
XWYW; hemizygous
c.
XWY; homozygous recessive
d.
X+YW; homozygous dominant
e.
XWY; hemizygous
Chapter 13 Solutions
Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
Ch. 13 - A heterozygous individual has a _______ for a...Ch. 13 - An organisms observable traits constitute its...Ch. 13 - Prob. 3SQCh. 13 - The second-generation offspring of a cross between...Ch. 13 - Prob. 5SQCh. 13 - Refer to question 5. Assuming complete dominance,...Ch. 13 - Prob. 7SQCh. 13 - Prob. 8SQCh. 13 - The probability of a crossover occurring between...Ch. 13 - True or false? All traits are inherited in a...
Ch. 13 - Prob. 11SQCh. 13 - The phenotype of individuals heterozygous for...Ch. 13 - Prob. 13SQCh. 13 - Match the terms with the best description. ______...Ch. 13 - Assuming that independent assortment occurs during...Ch. 13 - Refer to problem 2. Determine the predicted...Ch. 13 - Refer to problem 2. Assume a third gene has...Ch. 13 - Prob. 4GPCh. 13 - Suppose you identify a new gene in mice. One of...Ch. 13 - Mendel crossed a true-breeding pea plant with...Ch. 13 - Several alleles affect traits of roses, such as...Ch. 13 - Prob. 1DAACh. 13 - Prob. 2DAACh. 13 - Prob. 3DAACh. 13 - Mutations in the TYR gene may render its enzyme...Ch. 13 - In sweet pea plants, an allele for purple flowers....Ch. 13 - Red-flowering snapdragons are homozygous for...Ch. 13 - A single allele gives rise to the Hbs form of...
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- if two genes are linked ____ A. they are on different chromosomes B. they assort independently C. they code for the same protein D. they are on the same chromosomearrow_forwardA condition in which both alleles of a heterozygous condition are expressed as a blending of traits is ______. a incomplete dominance b sex-linked c transformation d crossing overarrow_forwardA single syndrome that has more than one genetic causeexhibits ________.a. pleiotropyb. incomplete penetrancec. genetic heterogeneityd. variable expressivityarrow_forward
- Genetics (Study of genes) O a. All the other choices are valid O b. Our traits can be controlled by one or more genes O c. It is the study of the mode of transmission of genes from one generation to the next. O d. There are in general two copies of each gene called alleles in every diploid cell, with one allele on each homologous chromosome. If you get blue-black upon adding IKI to a substance, then this substance is a protein or a polypeptide O a. True O b. Falsearrow_forwardSTUDY GUIDE Name a A HUMAN TRAITS In your textbook, read about color blindness in Section 27:2. 1. Color blindness is a trait carried on the sex chromosomes. Let C be normal color vision and c b red-green color blindness. Use the diagrams to answer the questions. a. What is the sex of each of these people? Write either male or female on the blank below each. XX XX X Xa XX C b. Which are red-green color blind? c. Which have normal color vision? X X XXXXX B ①① X X XXXXX M a XaXa Date a d. Which has normal color vision even with the gene for color blindness? 2. a. Complete the following Punnett squares. The first one has been done for you. b. Using these colors, shade the following parts of the Punnett squares. Blue-normal females Yellow-normal males Red-color blind females Green-color blind males X X XXXXX Class D CHAPTER 27 X X XXXXX a Xalo E X X X×××× X oooolgolma 8 X X XXXXX a X a Xa 15 1arrow_forwardColor blindness is inherited in a(n)_____ pattern. a. autosomal dominant c. X-linked dominant b. autosomal recessive d. X-linked recessivearrow_forward
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