Biology: Concepts and Applications (MindTap Course List)
10th Edition
ISBN: 9781305967335
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 13, Problem 12SA
One gene that affects three traits is an example of ________.
| a. dominance | c. pleiotropy |
| b. codominance | d. epistasis |
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Students have asked these similar questions
Two 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 dominant
The flower color gene studied by Mendel affected three traits. This is an example of ________.
a.
pleiotropic genes
b.
codominant inheritance
c.
polygenic inheritance
A test cross is performed to determine if a specific individual is a carrier. The results generate a 50/50 ratio of phenotypes. The test subject is therefore ________.
A. Unable to reproduce
B. Homozygous recessive
C. Not following the rules of Mendelian genetics
D. Homozygous dominant
E. Heterozygous
Chapter 13 Solutions
Biology: Concepts and Applications (MindTap Course List)
Ch. 13 - A heterozygous individual has _______ for a trait...Ch. 13 - An organisms observable traits constitute its...Ch. 13 - In genetics, F stands for filial, which means...Ch. 13 - The offspring of the cross AAaa are ________. a....Ch. 13 - The second-generation offspring of a cross between...Ch. 13 - Refer to question 4. Assuming complete dominance,...Ch. 13 - Independent assortment means _______. a. alleles...Ch. 13 - A testcross is a way to determine _________. a....Ch. 13 - Assuming complete dominance, crosses between two...Ch. 13 - The probability of a crossover occurring between...
Ch. 13 - True or false? All traits are inherited in a...Ch. 13 - One gene that affects three traits is an example...Ch. 13 - ________ in a trait is indicated by a bell curve.Ch. 13 - The phenotype of individuals heterozygous for...Ch. 13 - Match the terms with the best description. ___...Ch. 13 - Mendel crossed a true-breeding pea plant with...Ch. 13 - Assuming that independent assortment occurs during...Ch. 13 - Determine the predicted genotype frequencies among...Ch. 13 - Prob. 4GPCh. 13 - A single allele gives rise to the HbS form of...Ch. 13 - In sweet pea plant, an allele for purple flowers...
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- A recessive trait will be observed in individuals that are ________ for that trait. a. heterozygous b. homozygous or heterozygous c. homozygous d. diploidarrow_forwardColor blindness is inherited in a(n)_____ pattern. a. autosomal dominant c. X-linked dominant b. autosomal recessive d. X-linked recessivearrow_forward_______in a trait is indicated by a bell curve. a. An epigenetic effect c. Incomplete dominance b. Pleiotropy d. Continuous variationarrow_forward
- This example can be considered as ______________. A.Modifier gene B.Gene redundancy C.Co-dominance D.Incomplete dominancearrow_forwardBaldness is a phenomenon where individuals lose hair as they grow older. As an X-linked recessive gene, what instances do females manifest this trait? a. heterozygous recessive b. heterozygous dominant c. homozygous recessive d. homozygous dominantarrow_forwardPolydactyly is a congenital physical anomaly in in humans, dogs, cats; and having supernumerary fingers or toes. If it is an autosomal dominant trait, when is a genotype of a person that shows normal phenotype? a. heterozygous recessive b. heterozygous dominant c. homozygous recessive d. homozygous dominantarrow_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 testcross is a way to determine_______ . a. phenotype b. genotype c. dominancearrow_forwardIf a person has one gene influencing blue eyes but actually has brown eyes, blue eyes must be a __________ trait. a. dominant b. recessive c. sex-linked d. polygenicarrow_forward
- The characteristics that genes express, whether they are physical, behavioral, or biochemical, are a person's __________. Group of answer choices a.phenotype b.penetrance c.haplotype d.genotypearrow_forwardA trait that is present in a male child but not in either of his parents is characteristic of inheritance. a. autosomal dominant b. autosomal recessive c. X-linked recessive d. It is impossible to answer this question without more informationarrow_forwardDetached earlobes (D) are dominant to attached earlobes (d). A heterozygous person is crossed with a homozygous recessive person. Which of the following correctly describes this cross? A. DD x DD B. DD x Dd C. Dd x Dd D. Dd x ddarrow_forward
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