Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 16.1, Problem 4C
Summary Introduction
To explain: How evolutionary relationship between mice and humans overcome some of the difficulties in studying human inheritance.
Concept introduction: Comparative genomics is a branch of genomics which contributes in the comparison of parts or whole of genomes from genome databases for different species of organisms. This includes human genome database, mouse genome database (MGD), drosophila genome database, and so on.
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Students have asked these similar questions
• Describe what it means that a strain of Drosophila is wild-type for a particular
character.
• Identify one mutant phenotype that can be observed in Drosophila.
Scenario part 2
• A population of beetles in the species Dwayne therock (I made this up) are living
in a rotting log in a forest.
• In these beetles, color is controlled by 1 gene.
• There are two alleles - R for Red and r for orange.
• These beetles have sex chromosomes like humans. Males are XY, females are
XX.
• this is an x-linked trait
Questions part 2
A. What are all the possible genotypes a red beetle could have? (list them all)
B. What phenotype would a heterozygous female beetle have?
C. If a male with no R alleles and a female with 1 of each allele had offspring,
what are the chances (in %) of having an orange beetle offspring?
D. If a male with no R alleles and a female with 1 of each allele had offspring,
what are all the possible genotypes of their offspring? (list them all)
• The allele for tall (T) is dominant to short (t) and the allele for green pods (G) is dominant to
yellow pods (g).
o 1. A pea plant is homozygous for being tall and has yellow pods.
- la. What is the genotype of this plant?
- 1b. What gametes can it produce?
o 2. Another pea plant is short and heterozygous for green pods.
1 2a What is the genotype of this plant?
- 2b What gametes can it produce?
o 3. If you cross these two plants give the phenotypes of the offspring.
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Chapter 16 Solutions
Biology (MindTap Course List)
Ch. 16.1 - Distinguish between karyotyping and pedigree...Ch. 16.1 - Prob. 2LOCh. 16.1 - Prob. 3LOCh. 16.1 - Prob. 1CCh. 16.1 - Prob. 2CCh. 16.1 - Describe two ways in which genome database...Ch. 16.1 - Prob. 4CCh. 16.2 - Explain how nondisjunction in meiosis is...Ch. 16.2 - Distinguish among the following structural...Ch. 16.2 - Prob. 6LO
Ch. 16.2 - VISUALIZE Draw a simple sketch illustrating how...Ch. 16.2 - Prob. 2CCh. 16.2 - Prob. 3CCh. 16.2 - Prob. 4CCh. 16.3 - State whether each of the following genetic...Ch. 16.3 - Which of the following genetic diseases is/are...Ch. 16.3 - Prob. 2CCh. 16.3 - Prob. 3CCh. 16.4 - Briefly discuss the process of gene therapy,...Ch. 16.4 - Prob. 1CCh. 16.5 - State the relative advantages and disadvantages of...Ch. 16.5 - Distinguish between genetic screening programs for...Ch. 16.5 - Prob. 1CCh. 16.5 - Prob. 2CCh. 16.6 - Prob. 11LOCh. 16.6 - Prob. 1CCh. 16.6 - CONNECT To be expressed, an autosomal recessive...Ch. 16.6 - Prob. 3CCh. 16 - Prob. 1TYUCh. 16 - An abnormality in which there is one more or one...Ch. 16 - The failure of chromosomes to separate normally...Ch. 16 - Prob. 4TYUCh. 16 - Prob. 5TYUCh. 16 - Prob. 6TYUCh. 16 - Prob. 7TYUCh. 16 - Prob. 8TYUCh. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Prob. 11TYUCh. 16 - SCIENCE, TECHNOLOGY, AND SOCIETY Imagine that you...Ch. 16 - A common belief about human genetics is that an...Ch. 16 - Prob. 14TYUCh. 16 - EVOLUTION LINK Explain some of the evolutionary...
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- • A population of frogs in the species Goofus frogus (I made this up) are living in a valley within a rainforest. • In these frogs, color is controlled by 1 gene. GG frogs are blue o Gg frogs are green o gg frogs are yellow. Questions part 1 1. what type of inheritance pattern is described? ( _(?)dominance) 2. how many alleles does an individual frog have for the color gene? (answer with a number, no explanation) 3. if a yellow frog and a blue frog had offspring, what genotype(s) could their offspring have? 4. what would the ratios of genotypes be? 5. if two green frogs had offspring, what phenotype(s) could their offspring have? 6. what would the ratios of phenotypes be?arrow_forwardTwo parents with blood types B (genotype unkown) and AB are having a child. • Outline all possibilities of blood types for the child arise using two Punnett squares and point out the probabilities for all phenotypes. You have to consider both possible genotpypes for the blood type B parent. Explain complete dominance and co-dominance in detail with of the above phenotypes and genotypes.arrow_forwardHow does the evolutionary relationship between mice and humans overcome some of the difficulties in studying human inheritance?arrow_forward
- LO22 Calculate genotypes and phenotypes in traits with maternal effects. The bicoid gene in drosophila presents maternal effects and determines the body structure of offspring. B codes for regular structure while b codes for the lack of anterior segments such as mouthparts. A mother with lack of anterior segments and Aa genotype, mates with a regular male and Aa What phenotypes are expected in the offspring? Only offspring with no anterior segments A combination of regular and lack of anterior segments in the offspring Unable to determine because the genotype and phenotype of the mother does not correspond. Unable to determine because we do not know the genotype of the grandmother Regular structure onlyarrow_forwardYCA 6v of the 1ungS E Learning Task 5: Read and understand the pattern of inheritance in multiple alleles. Answer the guide question in your notebook. Multiple Alleles Mendel studied just two alleles of his pea genes, but real populations of- ten have multiple alleles of a given gene. In this activity you will learn how to crossed the gene for coat color in rabbits (the C gene) which comes in four color alleles (C, Ceh, Ch, c) as shown by the figure below, CHNCHLLA HMALAYAN ALDINO Using the given genotypes, find the F1 and F2 generation of the crossed between black rabbit and chinchilla, the crossed of himalayan and albino. Use the Punnet A. Black (CC) x Chinchilla (CehCeh) |squares below to guide you. F1 Offspring with corresponding % F2 Offspring with corresponding % Guide Question 1. Based on the results of the genetic crosses you have shown, how do you think the red and white flower alleles can "interact with one another? Explain both the Fl and F2 generations. 2. How are the…arrow_forwardRed-green colorblindness caused by an X-linked recessive allele in humans. • A woman who had a colorblind father and a man with typical vision have a child together. Indicate the probability that their child will have red-green colorblindness for both a girl and a boy. • A woman with no family history of colorblindness and a man with red-green colorblindness have a child together. Indicate the probability that their child will have red-green colorblindness for both a girl and a boy.arrow_forward
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