WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 9, Problem 6MC
Summary Introduction
Introduction:
Sometimes one allele does not completely overshadow the other.
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Students have asked these similar questions
When many genes affect a single phenotype is it called;
a.
extranuclear inheritance
b.
pleiotropy
c.
dominance
d.
genotype by environment interaction
e.
epistasis
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 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 ACHIEVE ACCESS ONLY >I<
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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_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_forwardraccoons may have wide, medium-sized, or narrow bands around their tails. They may also havethe habit of washing all, or some of their food, or do not wash their food at all. a) assign genotypes to the phenotypes mentioned (see attached table) b. What mode of inheritance would most likely be exhibited by these traits if crosses were made? c. If two raccoons with medium-sized tail bands and have the habit of washing some of theirfoods will be crossed, what is the probability of having F1 raccoons with: c.1 wide tail bands that won’t wash any of their food? c.2 the same genotype as the parent raccoons? d. If a raccoon with a wide tail band that washes only some of its food is crossed with a raccoonwith a narrow tail band that doesn’t wash any food, what percentage of their offspring wouldbe medium-tailed and washes all its food? Show COMPLETE cross.arrow_forward
- There 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_forwardIf 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_forward
- Compare 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_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_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
- Based on the allelic gene interaction in Australian milking shorthorn cattle breeds, the mating of a red cattle (RR) and white cattle is depicted in the picture below. What is gene interaction involved in this resulting coat color of the offspring? see photo attached a. Complete dominance b. Incomplete dominance c. Codominance d. Additive gene actionarrow_forwardHow would the genotypic and phenotypic ratios be affected if the mode of inheritance is a. incomplete dominance? b. co-dominance?arrow_forwardA snake with 30 vertebrae is crossed to a snake (same species) with 24 vertebrae. Their offspring all have 27 vertebrae. When two of the F1 are crossed to one another the F2 snakes mostly have 26-28 vertebrae but some have as many as 30 or as few as 24. What type of inheritance is being shown in this example? Group of answer choices A. multiple loci, additive B. single locus, complete dominance C. codominance D. epistasis E. single locus, incomplete dominancearrow_forward
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