Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 19, Problem 3SQ
Summary Introduction
Introduction: A trait in genetics is a qualitative or quantitative measure in genetics. A trait is often observed morphologically.
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Chapter 19 Solutions
Human Biology (MindTap Course List)
Ch. 19 - Define the difference between (a) gene and allele,...Ch. 19 - Prob. 2RQCh. 19 - What is probability, and how is it applied in...Ch. 19 - What is independent assortment? Does independent...Ch. 19 - Alleles are ___________. a. alternate forms of a...Ch. 19 - A heterozygote has _____. a. only one of the...Ch. 19 - Prob. 3SQCh. 19 - Offspring of a cross AA aa are ______. a. all AA...Ch. 19 - Prob. 5SQCh. 19 - Prob. 6SQ
Ch. 19 - Which statement best fits the principle of...Ch. 19 - Prob. 8SQCh. 19 - Prob. 9SQCh. 19 - Prob. 10SQCh. 19 - One gene has alleles A and a. Another has alleles...Ch. 19 - Still referring to Problem 1, what will be the...Ch. 19 - Go back to Problem 1, and assume you now study a...Ch. 19 - The young woman shown at right has albinismvery...Ch. 19 - When you decide to breed your Labrador retriever...Ch. 19 - The ABO blood system has been used to settle cases...Ch. 19 - Prob. 7CTCh. 19 - A man is homozygous dominant for ten different...Ch. 19 - Prob. 9CTCh. 19 - Bill and Marie each have flat feet, long...Ch. 19 - You decide to breed a pair of guinea pigs, one...
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- The observable traits expressed by an organism are described as its ________.a. phenotypeb. genotypec. allelesd. zygotearrow_forwardColor blindness is inherited in a(n)_____ pattern. a. autosomal dominant c. X-linked dominant b. autosomal recessive d. X-linked recessivearrow_forwardThe flower color gene studied by Mendel affected three traits. This is an example of ________. a. pleiotropic genes b. codominant inheritance c. polygenic inheritancearrow_forward
- An individual’s ________ is its genotype. a. genetic composition b. number of chromosomes c. physical appearancearrow_forwardA recessive trait will be observed in individuals that are ________ for that trait. a. heterozygous b. homozygous or heterozygous c. homozygous d. diploidarrow_forwardKlinefelter syndrome (XXY) can most be easily diagnosed by_______ . a. pedigree analysis c. karyotyping b. aneuploidy d. phenotypic treatmentarrow_forward
- An individual is true breeding for a character if they are _____. A. Heterozygous B. Homozygous dominant C. Homologous D. Homozygous recessivearrow_forwardTwo parents without cystic fibrosis have a child with cystic fibrosis. The allele for cystic fibrosis is therefore _________ to the non-disease allele Group of answer choices A. codominant B. recessive C. dominant D. epistatic E. incompletely dominantarrow_forwardAlleles for Tay-Sachs disease are inherited in an autosomal recessive pattern. Why would two parents with a normal phenotype have a child with Tay-Sachs? a. Both parents are homozygous for a Tay-Sachs allele. b. Both parents are heterozygous for a Tay-Sachs allele. c. New mutations gave rise to Tay-Sachs in the child. d. b or carrow_forward
- Joe has classic hemophilia, an X-linked recessive disease. Could Joe have inherited the gene for this disease from the following people? Yes No a. His mother's mother b. His mother's father c. His father's mother d. His father's fatherarrow_forwardA r e c e s s i v e trait will be observed in individuals that are ________ for that trait. a. heterozygous b. homozygous c. carriersarrow_forwardis a segment of DNA whose sequence of nucleotides codes for a 7. A protein. a. gene b. chromosome c. karyotype d. characteristic 8. A Is a graphic display of chromosomes, arranged by size and shape. a. genotype b. phenotype C. monotype d. karyotype 9. In purple people eaters, one-horn is dominant and no horns is recessive. Draw a Punnett Square showing the cross of a purple people eater that is heterozygous for horns with a purple people eater that does not have horns. Summarize the genotypes & phenotypes of the possible offspring. 10. Blood typing: a. The father of a child has type AB blood. The mother has type A. Which blood types can their children NOT have? b. A woman with type A blood and a man with type B blood could potentially have offspring with what blood types? c. The mother has type A blood. Her husband has type B blood. Their child has type O blood. The father claims the child can't be his. Is he right?arrow_forward
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