Campbell Essential Biology (6th Edition) - standalone book
6th Edition
ISBN: 9780133917789
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 9, Problem 6SQ
Summary Introduction
Introduction:
The phenomenon of incomplete dominance is observed in a cross of a white hen and a black rooster in which both the alleles of white color and black color exhibit their
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The snapdragon flower in Tennessee and Alabama are both white. When these two strains of snapdragon were crossed, the resulting F1 produces purple-color flower. When the F1 was self-crossed, the F2 progeny were 540 purple and 420 white.
16. What kind of inheritance pattern is this?
A. recessive epistasis
B. complete dominance
C. dominant epistasis
D. codominance
E. complementation
All of the offspring of a red carnation crossed with a white carnation are pink. The simplest explanation for this pattern of inheritance is:
a.
environmental effects
b.
multiple alleles
c.
codominance
d.
incomplete dominance
e.
sex-linkage
When a plant with red flowers is crossed with a plant with white flowers, the F1 generation consists of a plant with pink flowers. This is an example of which of the following modes of inheritance?
A. multiple alleles
B. incomplete dominance
C. codominance
D. complete dominance
Chapter 9 Solutions
Campbell Essential Biology (6th Edition) - standalone book
Ch. 9 - The genetic makeup of an organism is called its...Ch. 9 - Which of Mendels laws is represented by each...Ch. 9 - Edward was found to be heterozygous (Ss) for the...Ch. 9 - Whether an allele is dominant or recessive depends...Ch. 9 - Prob. 5SQCh. 9 - Prob. 6SQCh. 9 - Prob. 7SQCh. 9 - Prob. 8SQCh. 9 - Adult height in people is at least partially...Ch. 9 - A purebred brown mouse is repeatedly mated with a...
Ch. 9 - How could you determine the genotype of one of the...Ch. 9 - Tim and Jan have freckles (a dominant trait), but...Ch. 9 - Incomplete dominance is seen in the inheritance of...Ch. 9 - Why was Henry VIII wrong to blame his wives for...Ch. 9 - Both parents of a boy arc phenotypically normal,...Ch. 9 - Heather was surprised to discover that she...Ch. 9 - Prob. 17SQCh. 9 - In 1981, a stray cat with unusual curled-back ears...Ch. 9 - Prob. 19PSCh. 9 - There are now nearly 200 recognized breeds of dog,...Ch. 9 - Gregor Mendel never saw a gene, yet he concluded...Ch. 9 - Prob. 22BS
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- In tomatoes, red fruit (R) is dominant over yellow fruit (r). Five generations of red tomato plants were crossed to each other without producing any yellow tomato plants. It can be hypothesized that the red tomato plant must be Select one: a. Homozygous b. Recessive c. Dominant d. Heterozygousarrow_forwardWhich of the following must be true about the inheritance the trait depicted in the pedigree diagram below. A. it is recessive B. It is dominant C. It is on the X chromosome D. There is not enough information to determine the mechanism of inheritancearrow_forwardWhen many genes affect a single phenotype is it called; a. extranuclear inheritance b. pleiotropy c. dominance d. genotype by environment interaction e. epistasisarrow_forward
- A gardener pertorms a mononybra cross on two heterozygous orange-fruitea tomato plants. Plants expressing the recessive phenotype yield yellow tomato fruits. What percentage of the offspring will produce yellow tomatoes? A:75% B:50% C:100% D:25%arrow_forwardA cross occurs between a chicken with white feathers and a chicken with black feathers. This results with offspring with some black feathers and some white feathers. What type of inheritance is this? a. incomplete dominance b. complete dominance c. codominance d. blended dominancearrow_forwardIn a test cross, peas of an unknown genotype are crossed with peas of a known genotype. In this example, smooth peas are the unknown and wrinkled peas are the known (rr). If half of the offspring from that cross are smooth and half are wrinkled, what is the genotype of the unknown plant? O a. Homozygous dominant: RR O b. Homozygous recessive: rr Oc. Incomplete dominance d. Heterozygous dominant: Rr CLEAR MY CHOICEarrow_forward
- Dark chocolate is dominant to milk chocolate in a special species of chocolate bunnies. It is assumed that inheritance of this character follows the rules of Mendelian genetics. A homozygous milk chocolate bunny is crossed with a homozygous dark chocolate bunny. Which chocolate traits will the offspring express and in what ratio? A. 3 milk chocolate to 1 dark chocolate B. All the bunnies will be milk chocolate C. 1 dark chocolate bunny to 1 milk chocolate bunny D. All the bunnies will be dark chocolate E. 3 dark chocolate to 1 milk chocolatearrow_forwardWhich of the following terms describes the relationship between two genes? A. Complete dominance B. Incomplete dominance. C. Co-dominance D. Epistasisarrow_forwardWhich of the following cannot be true about the inheritance the trait depicted in the pedigree diagram below? A. It is recessive B. It is dominant C. It is on the X chromosome D. There is not enough information to determine the mechanism of inheritancearrow_forward
- A type of baldness is sex –limited such that the allele that causes it is dominant in men and recessive in women. Thus baldness is much more common in men than women even though the locus is on an autosome. How is the pattern of inheritance in this example different from X-linked inheritance of a recessive allele? Group of answer choices A. the trait can be passed from fathers to sons B. the trait can be passed from fathers to daughters C. the trait can be passed from mothers to sons D. the trait can be passed from mothers to daughtersarrow_forwardThe chart below is showing 4 generations of a family that is affected by a hereditary disease. a. Is the disorder being tracked dominant or recessive? How do you know? b. There is only one possible genotype for person C. True or False? c. What are the possible genotypes for person A? d. What are the possible genotypes for person B?, e. If two people with the same genotypes as person C's spouse and person A's spouse had a child, what is the probability that the child will be affected by this genetic disorder? (draw a Punnett square using the correct genotypes to help you). % chance offspring will be affected % chance offspring will not be affectedarrow_forwardIn 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 genotypearrow_forward
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Beyond Mendelian Genetics: Complex Patterns of Inheritance; Author: Professor Dave Explains;https://www.youtube.com/watch?v=-EmvmBuK-B8;License: Standard YouTube License, CC-BY