Given that E=unattached earlobes and e=attached earlobes, which of the following best describes an individual that is homozygous recessive for this trait? 1. Attached earlobes; Ee 2. Attached earlobes; ee 3. Unattached earlobes; EE

Given that E=unattached earlobes and e=attached earlobes, which of the following best describes an individual that is homozygous recessive for this trait? 1. Attached earlobes; Ee 2. Attached earlobes; ee 3. Unattached earlobes; EE

Name: 26. Given that E=unattached earlobes and e=attached earlobes, which of
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Description: 26. Given that E=unattached earlobes and e=attached earlobes, which of the following best describes an individual that is homozygous recessive for this trait?1. Attached earlobes; Ee2. Attached earlobes; ee3. Unattached earlobes; EE

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter16: Human Genetics And The Human Genome

Section: Chapter Questions

Problem 9TYU: Examine the following pedigrees. Which is the most likely mode of inheritance of each disorder? (a)...

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Part B 1. For the remaining characteristics, you will be looking at homozygous and heterozygous traits. Each trait will be determined to be homozygous recessive, homozygous dominant, or hetero- zygous. Letters representing the alleles will be given to you; the uppercase letter is always dominant and the lowercase letter is always recessive. If both dice rolled are even numbers, it indicates homozygous dominant alleles; if both are odd, it indicates homozygous recessive alleles; if one is odd and the other even, it indicates heterozygous alleles. 2. Eyebrows: Use the alleles "A" and "a" for this trait. Two separate brows are the dominant trait, whereas the unibrow (or one continuous brow) is recessive. 3. Eye shape: Use the alleles "R" and "r" for this trait. Round eyes are the dominant trait; almond shaped eyes are recessive. 4. Hitchhiker's thumb: Use the alleles "H" and "h" for this trait. Straight thumbs are dominant; Hitchhiker's thumbs (the curving upward of the thumb) are…
1. If a man, dominant homozygote for tongue rolling, is expecting a child with a woman that is heterozygotic for the trait – what is the probability for their firstborn to be a daughter being dominant homozygotic for tongue rolling? 2. A color-blind female is expecting with a color seeing male – what is the probability of a male child to see color? 3. In Sweden 1/500 are born with an autosomal recessive disorder called thalassemia. What is the carrier frequency within the population?
16. A couple has two children; one with a widow's peak and one without. If both parents have a widow's peak what do you know to be true? 1. Both parents are heterozygous for the trait 2. Both parents are homozygous dominant for the trait 3. Both parents are homozygous recessive 4. One parent is homozygous dominant the other is homozygous recessive
25. Given that E=unattached earlobes and e=attached earlobes what is the phenotype of an individual who is heterozygous for earlobe attachment? 1. Unattached earlobes 2. Attached earlobes 3. EE 4. One attached and one unattached earlobe
3) The ability to curl ones’ tongue up on the sides (T) is dominant to not being able to roll your tongue (t). a. A woman who can roll her tongue marries a man who cannot. The first child has the same phenotype as the father, what are the genotypes of the mother, father, and this child? b. What is the probability that the second child won’t be able to roll it’s tongue?
Two parents one heterozygous normal (Aa) and other is homozygous recessive albino (aa) 1.what is the percentage that their offspring will be normal? 2 .what is the percentage that their offspring will inherit albinism?
. Assuming no involvement of the Bombay phenotype(in case you’ve already read ahead to Section 3.2):a. If a girl has blood type O, what could be the genotypes and corresponding phenotypes of her parents?b. If a girl has blood type B and her mother has bloodtype A, what genotype(s) and correspondingphenotype(s) could the other parent have?c. If a girl has blood type AB and her mother is alsoAB, what are the genotype(s) and correspondingphenotype(s) of any male who could not be thegirl’s father?
Match the following letter representations with their genetic term. Heterozygous dominant 1. ww Homozygous recessive 2. Ww Gamete 3. ww 4. W Homozygous dominant
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1. If one parent is homozygous dominant for a trait, that parent's genotype might be GG. If the other parent is homozygous recessive for the same trait, that parent's genotype would be gg. What are the possible genotypes of their offspring? b. How many different phenotypes might we possibly see in their offspring? 2. If a male is homozygous dominant for a trait, that parent's genotype might be DD. If the female is heterozygous for the same trait, her genotype would be Dd. a. How many genetically different sperm can the male produce? b. Using a Punnett square, determine the expected genotypic ratios of their offspring. What are the expected phenotypic ratios? 3. In garden peas, the gene for red flowers (R) is dominant over the gene for white flowers (r). If pollen (cells containing sperm nuclei) from the anther (male reproductive organ) of a homozygous red-flowered plant is added to the pistil (female reproductive organ containing the egg) of a white- flowered plant: a. c. What would be…
1) Suppose thatt everyone in your family (bloodline) has attached earlobes. Do you know with certainty what your gentype is? a) Your spouse also has attached earlobes, but both your children have unattached earlobes. What is your genotype, and what is your spouse's genotype?
Having a widows peak is dominant W to not having one (ww)Having attached earlobes is a recessive trait (ee)- Jack and Jill are heterozygous for both traits.What's the probability of them having a child with a widow's peak and attachedearlobes?