B. Solve the following problems in non-Mendelian inheritance using the Punnett 1. Butterflies come in different colors. Some of them exhibit incomplete dominance. The three colors that show this trait are dark blue (B), white (W), and light blue (BW). Find the following: a. Genotypic and phenotypic ratios when a dark blue butterfly is crossed with a light blue butterfly square. b. Genotypic and phenotypic ratios of the F, generation when dark blue and white butterflies are crossed

B. Solve the following problems in non-Mendelian inheritance using the Punnett 1. Butterflies come in different colors. Some of them exhibit incomplete dominance. The three colors that show this trait are dark blue (B), white (W), and light blue (BW). Find the following: a. Genotypic and phenotypic ratios when a dark blue butterfly is crossed with a light blue butterfly square. b. Genotypic and phenotypic ratios of the F, generation when dark blue and white butterflies are crossed

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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1. A red-green colorblind woman marries a man with normal vision. What are the genotypes and phenotypes of the children? Identify the type of inheritance (complete dominance and if so which trait is dominant; or incomplete dominance or codominance/multiple alleles or sex linked, circle one) and define your symbols________________________________________________ a) What is the genotypic ratio of the above cross (Write number next to genotype)? b) What is the phenotypic ratio of the above cross? (Write number next to phenotype)?
Color blindness is typically an inherited genetic condition in which individuals have a decreased ability to see color or differences in color. Color blindness only occurs in individuals who have two recessive alleles for the condition. Normal color vision is due to a dominant allele (C) Color blindness is due to the recessive allele (c) a) If Susan is homozygous for normal vision, and Matt is homozygous for color blindness, what is the likelihood (in percentage) that their son Alex will have color blindness? Perform a Punnett Square (either below or by hand on paper) to find the probability. Provide your answer in a full sentence. If you did the Punnett Square by hand, attach your photo to the next question.
Huntington disease is a rare dominant disorder that causes neurodegeneration later in life. In a homozygous state, the dominant allele is lethal. A man in his thirties, who already has three children, discovers that his mother has Huntington disease though his father is unaffected. What are the following probabilities? a) The man in his thirties will develop Huntington disease. b) His first child will develop Huntington disease. c) Any one out of three of his children will develop Huntington disease.
B. Considering the Mendelian traits round versus wrinkled and yellow versus green, consider the crosses below and determine the genotypes of the parental plants by analyzing the phenotypes of their offspring. Parental Plants Offspring 1. round, yellow x round, yellow 3/4 round, yellow 1/4 wrinkled, yellow 2. wrinkled, yellow x round, yellow 6/16 wrinkled, yellow 2/16 wrinkled, green 6/16 round, yellow 2/16 round, green 3. round, yellow x round, yellow 9/16 round, yellow 3/16 round, green 3/16 wrinkled, yellow 1/16 wrinkled, green round, yellow * wrinkled, green 1/4 round, yellow 1/4 round, green 1/4 wrinkled, yellow 1/4 wrinkled, green
Which if the following is not among Mendels principles? a. There are factors that is transmitted from parent to offspring? b. There are only two kinds of traits, dominant and recessive c. Genes resides in the chromosome d. Pair of single traits segregate randomly
1. Incomplete dominance governs the pigment gene of a flower. A mating between heterozygotes yields the following phenotypic ratio: 10 yellow flowers, 35 pink flowers and white flowers. Which statement describes the situation? a. The flower pigment gene is defined by a pink and yellow allele. b. The heterozygotes were yellow. c. The heterozygotes were white. d. The flower pigment gene is defined by a red and a white allele. 2. Mendel's rules do not correctly predict patterns of inheritance for tightly linked genes or the inheritance of alleles that show incomplete dominance. Does this mean that his hypotheses are incorrect? A. Yes, because they are relevant to only a small number of organisms and traits. b. Yes, because not all data support his hypotheses. c. No, because he was not aware of meiosis or the chromosome theory of inheritance. d. No, it just means that his hypotheses are limited to certain conditions. 3. Discuss the inheritance of hemophilia
Identify the specific mode of inheritance for each of the situations below. 1. Emily is a Caucasian. She was born and raised in the cold parts of United Kingdom. When she came to the Philippines, she enjoyed the beaches. Her skin tone is now the same as the residents of the beaches she frequently visited. 2. Marcus bred a plant with red flowers and a plant of the same species with blue flowers. He was astonished to see violet flowers produced by the offspring of the parent plants. 3. Goltz syndrome is linked to 100% fetal mortality in males. On the other hand, in females, a mutation in one of the two copies of the gene is sufficient to cause the disorder.
1. Construct a pedigree chart of the trait traced in the situation below.2. The pedigree chart must be constructed with the names and genotypes at the bottom of every individual in the chart.If it is autosomal: Always use the first letter of the dominant trait to represent the dominant allele. For example, if the dominant trait is red, so the allele R-red, while r-yellow. For example, if the person is homozygous dominant for curly hair, we write CC as his genotype. If sex-linked, do not forget to write the parents’ chromosomes (XX-female, XY-male), with their corresponding superscripts (dominant or recessive). The superscript must be based on the first letter of the disorder. For example, the mother is a carrier of hemophilia (which is x-linked recessive), so we write XHXh. If the father has hemophilia, we write XhY. Put the pedigree chart using code properly. The situation is given below: Trait: NeurofibromatosisThe dominant form is neurofibromatosis, caused by the production of…
1. Construct a pedigree chart of the trait traced in the situation below.2. The pedigree chart must be constructed with the names and genotypes at the bottom of every individual in the chart.If it is autosomal: Always use the first letter of the dominant trait to represent the dominant allele. For example, if the dominant trait is red, so the allele R-red, while r-yellow. For example, if the person is homozygous dominant for curly hair, we write CC as his genotype. If sex-linked, do not forget to write the parents’ chromosomes (XX-female, XY-male), with their corresponding superscripts (dominant or recessive). The superscript must be based on the first letter of the disorder. For example, the mother is a carrier of hemophilia (which is x-linked recessive), so we write XHXh. If the father has hemophilia, we write XhY. Put the pedigree chart using code properly. The situation is given below: Trait: NeurofibromatosisThe dominant form is neurofibromatosis, caused by the production of…
(a) Determine the probable mode of inheritance for the trait shown in the affected individuals in the ff. pedigree by answering the ff. questions. Assume the condition is caused by a single gene. a. Y-linked inheritance can be excluded at a glance. Apart from the four choices below, what two other mechanisms of inheritance can definitely be excluded AT A GLANCE? Why? b. For each mechanism of inheritance listed below, provide basis that the mechanism fits or does not fit by showing the genotypes of each individual (e.g., provide the genotypes of each individual if it follows X-linked dominant; provide the genotypes of each individual if it follows X-linked recessive, etc.). If the mode of inheritance does not fit, emphasize the individuals with genotypes inconsistent to the mode of inheritance. X-linked dominant X-linked recessive Sex-influenced dominant in males, recessive in females Autosomal recessive C. What mode of inheritance is most likely for this characteristic?
Briefly describe the assigned trait/disorder. Then, determine the genotype frequency, and allele frequency no. of individuals for each genotype, no. of phenotype for each phenotype (assume Mendelian mode of inheritance) Given the following: N=2348 and q2=0.64; Consider congenital ptosis.
A. Consider this cross before answering the following questions:A pea plant heterozygous for the first trait and recessive for the second trait is crossed with a pea plant heterozygous for the first trait and homozygous-dominant for the second trait. 1. If the first gene is demonstrating recessive epistasis to the second gene, what is the probability that the F1 progeny will express a. the dominant feature for the second trait?b. the recessive feature for the second trait?c. neither dominant nor recessive features for the second trait?