Suppose that extra fingers and toes are caused by a recessive trait, but it appears in only 9% of homozygous recessive individuals. Two heterozygotes conceive a child. What is the probability that this child will have extra fingers and toes? Write your answer as a frequency to the nearest 0.01.
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- Suppose two parents, a father with the genotype AaBbCcDdee and a mother with the genotype aabbCcDDEe, want to have children. Assume each locus follows Mendelian inheritance patterns for dominance. What proportion of the offspring will have each of the specified characteristics? Round your answers to two decimal places. 1. Same genotype as the father 2. Same genotype as the mother 3. Phenotypically resemble the father 4. Phenotypically resemble the mother 5. Phenotypically resemble neither parentSuppose two parents, a father with the genotype AaBbCcDdee and a mother with the genotype aaBbCCDdEe, wanted to have children. Assume each locus follows Mendelian inheritance patterns for dominance. What proportion of the offspring will have each of the following characteristics? Round your answers to two decimal places. same genotype as the father: same genotype as the mother: phenotypically resemble the father: phenotypically resemble the mother: 口 12°C 底 20 acer HUAWEI P30 lite TRIPLE CAMERAAssume that the frequency of an allele that causes an autosomal recessive disease is 0.03. What is the probability of a person having the disease when his or her parents are unrelated (i.e., mating is random)? What is the probability of having the disease when the parents are first cousins? What about when the parents are second cousins?
- What percent of offspring will be homozygous recessive if the genotypic ratio is 4:0:0. (For your answer write the number and the percent sign, example: 32%)Suppose the mating had occurred between homozygous recessive male for a disease and a normal female known to be heterozygous. What would the probabilities be for the following outcomes? 3 offspring in the following order: normal, with disease, normal Use the factorial equation n!/x!(n-y)! * (p)x (q)n-x n = number of events (offspring) x = number of normal / dominant offspring n-y =total - number of abnormal / recessive offspring p = probability of producing a normal/dom q = probability of producing an abnormal/recProbability: 1) Assume you have the following individuals: AaBbCcDdEe X aaBbCcddee a. What is the probability that an offspring with the genotype: aaBBccDDee will be produced? b. What is the probability that an offspring that is recessive for at least 4 characteristics will be produced? c. What is the probability that an offspring that is dominant for at least 4 characteristics will be produced?
- We calculate the probability of getting a homogygous recessive offspring from two heterozygous parents by multiplying the probability of getting the recessive allele from the first parent (1/2) by the probability of getting the recessive allele from the second parent (1/2) and our result is: O 3/4 O 1/4 O 1/2The American Curl is a breed of cat that has curly ears. The allele for the curly ears is dominant (E). Suppose a cat with the heterozygous genotype is bred to a female cat with the homozygous recessive genotype. Fill out a Punnett Square and answer the following questions. What is the phenotypic ratio of this punnett square? If this cross produces six kittens, how many of them will have curly ears? ________Excessive secretion of male sex hormones results in premature sexual maturation in males and masculization of the sex characters in females. This disorder is called the adrenogenital syndrome, and in Switzerland there is an autosomal recessive form of the disease that affects about one in 5000 newborns. a. Assuming random mating, what is the allele frequency of the recessive? b. What is the frequency of heterozygous carriers?
- On an island in the Pacific Ocean, there is a species of birds with different sized beaks, with one specific gene determining their beak size. Birds who are homozygous dominant (BB) or heterozygous (Bb) for this particular gene have small beaks, while birds who are homozygous recessive (bb) for this particular gene have big beaks. For each combination of parents below, predict the frequency with which each phenotype and genotype exists. Make sure to include gametes from each parent. 1) Homozygous Dominant ( BB ) x Homozygous Dominant ( bb ) Genotypes: Phenotypes: BB Big Beaks Bb Small Beaks Bb Hint, do your percentages above add up to 100%? 2) Homozygous Recessive ( bb ) x Heterozygous ( Bb ) Genotypes: Phenotypes: BB Big Beaks Bb Small Beaks Bb 3) Heterozygous ( Bb) x Heterozygous ( Bb ) Genotypes: Phenotypes: BB Big Beaks Bb Small Beaks Bb Review: What were all the alleles used above? How many possible genotypes do you expect to find within this species, for beak size?Black eye (B) is dominant over brown eye (b). A man that is a homozygous dominant black-eyed marries a woman that is a heterozygous black-eyed. The offspring resulted to 50% homozygous black and 50% heterozygous black. If one of their heterozygous children marries another heterozygous partner. Regardless of its gender, what are the genotypes of their children? a. 25% BB, 50% Bb, 25% bb b. 50% BB, 25% Bb, 25% bb c. 25% BB, 25% Bb, 50% bb d. 0% BB, 75% Bb, 25% bb In Law of Codominance, a pure line dominant trait crossed with a recessive trait will result to the appearance of both dominant and recessive trait in the offspring. What is the percentage of having a red-haired offspring if the parental genotype is both a heterozygous roan haired? Red hair is a dominant trait and white hair is a recessive trait. a. 100% b. 75% c. 50% d. 25% e. 0%In Persian cats hair length can be short or long. Long hair is a recessive condition and this trait is an example of complete dominance. Assume that you cross two cats heterozygous for this trait and that 8 offspring are produced. What is the probability any 7 of the 8 could have short hair? Write the answer in the form 2!/1!1! * (3/4)^5. Do not write the actual value.