Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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If the frequency of those exhibiting a monogenic autosomal recessive
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- If the frequency of those exhibiting a monogenic autosomal recessive phenotype caused by only one known clinically relevant allele is 1/8500 in a given population, what is the frequency of the wild type allele? Please give your answer as a percentage to 3 decimal places, do not include the % symbol.arrow_forwardCystic fibrosis is an autosomal recessive disease characterized by two copies of a mutated CFTR gene. If one in 100 (hypothetical scenario, not reality) people in the United States have cystic fibrosis, calculate the p and q frequency for the normal allele (p) and the mutated allele (q). Based on those calculations, what percentage of individuals would be expected to be homozygous dominant?arrow_forwardUsing the two equations, p + q = 1 and p2 + 2pq + q2 = 1, answer the following questions. Maple Syrup Urine Disease (MSUD) is an autosomal recessive condition that causes intellectual and physical disabilities, difficulty feeding, and a sweet maple syrup odor to the urine. In Costa Rica, the incidence of MSUD is calculated as approximately 1 in 8,000 newborns. Calculate the allele frequencies for the normal and disease alleles.arrow_forward
- Below in Figure 1 is a pedigree for a family afflicted by a genetic disorder. In some populations, Cystic fibrosis has an incidence of 1 in 2500 newborns. The carrier frequency calculated from this is 1/25. Analyze the pedigree below assuming the disease is similar to cystic fibrosis in incidence and carrier frequency. However this disease may not have the same type of genetic transmission as cystic fibrosis. Assuming her father is known to NOT be a carrier, calculate the probability that IV1 is a carrier for disease. Use the Χ2 test to determine whether your proposed transmission fits this data.arrow_forwardAchondroplasia is a form of dwarfism caused by a dominant, autosomal allele that diminishes bone growth in a dose dependent manner where homozygosity results in termination. When two people with achondroplasia have a child, what is the probability that their third child will be born without achondroplasia? O 1/3 or 0.33 O 9/64 or 0.14 O 1/4 or 0.25 O There is no way this could happen O 27/64 or O.42arrow_forwardPlease helparrow_forward
- Please fill the charts completely and correctlyarrow_forwardzto.mheducation.com/ext/map/index.html?_con%=con&external_browser=0&launchUrl=https%253A%252F%252Flms.mheducation.com%252Fmghmiddleware? er 10 Assignment Saved Classify the following conditions based on whether they are describing autosomal dominance, autosomal recessive, or both. Autosomal Dominant Affected children can have unaffected pped parents Book Print Heterozygotes are affected erences Autosomal Recessive Heterozygotes have a normal phenotype Both males and females are affected with equal frequency Both Affected children have at least one affected parent 080 acer -> %24 % 2. 6.arrow_forwardIf two carriers of the gene for albinism marry and have children, then each of their children has a probability of 1/4 of being albino. Let the random variable Y denote the number of their albino children out of all 3 of their children. Then Y follows a binomial(n. p) distribution. Find the values for n and p. n= p=arrow_forward
- In addition to the allelic pair determining pattern baldness in man (B,b), consider early baldness to be due to another autosomal allele (E) on a different pair of chromosomes and also dominant in males but recessive in females. The phenotype for ee may be late or nonbaldness depending on sex and the genotype for B, b alleles. Two doubly heterozygous persons marry. What is the phenotype of the male parent? What is the phenotype of the female parent? Give the phenotypic ratio expected among male children of couples such as this one. Show corresponding genotypes for each phenotype mentioned in your phenotypic ratio. Give the phenotypic ratio expected among female children of couples such as this one. Show corresponding genotypes for each phenotype mentioned in your phenotypic ratio.arrow_forwardAchondroplasia is a hereditary condition caused by a dominant allele in humans (dominant allele A). This disorder affects bone growth specifically in long bones of the upper and lower limbs by preventing the ossification of bones from cartilage. Determine the genotypes of the parents and offspring for the following family scenarios in a and b below. One parent with the Achondroplasia phenotype and a normal parent have 2 children. Both children have the Achondroplasia phenotype NOTE: You must draw a Punnet square to determine the possible genotypes of te children. When two alternative genotypes are possible for an individual, indicate both.arrow_forwardPlease answer attached question.arrow_forward
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