WHAT IS LIFE W/ACHIEVE ACCESS >B<
5th Edition
ISBN: 9781319488086
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 9, Problem 6MC
Summary Introduction
Introduction:
Sometimes one allele does not completely overshadow the other.
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The distinctive fur color of a Siamese cat is an example of:
a.
environmental effects
b.
albinism
c.
codominance
d.
incomplete dominance
e.
sex-linkage
When many genes affect a single phenotype is it called;
a.
extranuclear inheritance
b.
pleiotropy
c.
dominance
d.
genotype by environment interaction
e.
epistasis
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
WHAT IS LIFE W/ACHIEVE ACCESS >B<
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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. complementationarrow_forwardThere are several forms of allelic genes interaction. At one of the forms a homozygous and a heterozygous organisms have the same phenotype. Which of the below mentioned forms of gene interaction can it be? Select one: a. Complete dominance c. Incomplete dominance d. Complementarity e. Codominance O b. Overdominancearrow_forwardA heterozygous individual is crossed with a homozygous recessive individual. a. Draw a Punnett square to represent this cross. b. What is the probability that an offspring will have a homozygous genotype? c. What is the probability that an offspring will have a dominant phenotype? d. What is the probability that three offspring will be produced that all carry the recessive allele but do not express the recessive phenotype?arrow_forward
- If black and white true-breeding mice are mated and the result is all gray offspring, what inheritance pattern would this be indicative of? a. dominance b. codominance c. multiple alleles d. incomplete dominancearrow_forwardA walnut comb rooster is mated to three hens. Hen A, which has a walnut comb, has offspring in the ratio of 3 walnut to 1 rose. Hen B, which has a pea comb, has offspring in the ratio of 3 walnut to 3 pea to 1 rose to 1 single. Hen C, which has a walnut comb, has only walnut comb offspring. What are the genotypes of the rooster and the three hens?arrow_forwardHow would the genotypic and phenotypic ratios be affected if the mode of inheritance is a. incomplete dominance? b. co-dominance?arrow_forward
- When the phenotype of the offspring is determined by endoparasites in the father it is… a. epistasis b. due to genes located in the mitochondria. c. a maternal effect d. non-nuclear inheritance e. a non-additive genetic effectarrow_forwardCompare and contrast the following pairs, include examples: 1. Genotype vs. Phenotype 2. Heterozygous vs. Homozygous 3. Dominant vs. Recessive genes 4. Codominance vs. Incomplete dominancearrow_forwardA couple both with blue eyes have a kid with brown eyes. In this case, the eye color is determined by the amount of melanin produced. Brown eyes have more melanin while blue eyes have much less. Which of the following is the mostly likely explanation for this phenomenon? A. Incomplete dominance B. Allelic series C. Complementation D. All of the abovearrow_forward
- A man with type A blood marries a woman with type B. Their offspring all have type AB blood. The pattern of inheritance is called A) codominance. B) sex-linkage. crossing over. incomplete dominancearrow_forwardIn 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_forwardThe AB blood type in the ABO blood group is an example of a. dominant versus recessive alleles. b. incomplete dominance. C. codominance. d. a polygenic trait. e. sex-linked inheritance.arrow_forward
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