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- When only a few individuals survive unfavorable times, thereby losing a majority of genotypes in the next generation, it is referred to asIn a sex linked recessive disease, the frequency of the causative allele is 0.4. What is the genotype frequency among males? In addition, what is the genotype frequency of heterozygous female population?match the following about Genetic testing and Screeningprompts: genetic testing, genetic screening, genetic screening programs, Genetic screening opportunities, A test with high sensitivity, A test with high specificity, Predictive tests, Pre-symptomatic tests, Predispositional tests.Answers: - indicate the presence of a causative genotype but the onset of signs and symptoms is not certain.- involves testing individuals for the genetic change underlying a condition for which there is no evidence. - is preformed cases where the onset of signs and symptoms is considered inevitable. - are offered as part of our public health service.- can show that an individual is more likely than others to develop a specified condition.- do not include conditions that show incomplete penetrance.- has a low false positive rate.- has a low false negative rate. - involves testing individuals for the genetic change underlying a condition for which there is evidence.
- Match the following : Genetic testing Genetic screening Genetic screening programs Genetic screening opportunities A test with high senstivity A test with high specificity predictive tests Pre- symptomatic tests Pre dispositional test involves testing individuals for the genetic change underlying a condition for which there is no evidence. can show that an individual is more likely than others to develop a specified condition. indicate the presence of a causative genotype but the onset of signs and symptoms is not certain. are offered as part of our public health service. do not include conditions that show incomplete penetrance. is performed cases where the onset of signs and symptoms is considered inevitable. involves testing individuals for the genetic change underlying a condition for which there is evidence. has a low false positive rate has a low false negative rateWhich of the following is the best definition of a molecular marker? a gene that is likely to be associated with a specific disease a dark or light band that on a chromosome that is visible in a karyotype a DNA sequence that varies among individualsMatch each individual on the left with the correct genotype on the right. (not all categories need to be used)
- What type of event causes founder effect? what type of event causes bottleneck effect?A prospective groom, who is normal, has a sister with cystic fibrosis (CF), an autosomal recessive disease. Their parents are normal. The brother plans to marry a woman who has no history of CF in her family. What is the probability that they will produce a CF child? They are both Caucasian, and the overall frequency of CF in the Caucasian population is 1/2500—that is, 1 affected child per 2500. (Assume the population meets the Hardy–Weinberg assumptions.)A prospective groom, who is unaffected, has a sister with cystic fibrosis (CF), an autosomal recessive disease. Their parents are normal. The brother plans to marry a woman who has no history of CF in her family. What is the probability that they will produce a CF child? They are both Caucasian, and the overall frequency of CF in the Caucasian population is 1/2500—that is, 1 affected child per 2500. (Assume the population meets the Hardy– Weinberg assumptions.)
- This term is used to describe the largely theoretical possibility that individuals may grow and display some physical marker to indicate to others of the same species the presence of common genes: Group of answer choices Gene-Culture Challenge Westermarck Effect Green-beard Effect Hamilton's RuleThe philosophy of “race improvement” through the forced sterilization of members of some groups and increased reproduction among others to eliminate “unfit” genes is called… Group of answer choices artificial selection genetic directive eugenics trigenics progenicsWhat class of mutations do you think would be less likely to lead to CF? Please explain your reasoning.