1. What is the probability that one of the offspring will have the genotype DdEeFfggHHli? 2. What is the probability that one of the offspring will be heterozygous for each allele? 3. What is the probability that one of the offspring will have the genotype DDEEFfGGhhii?
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- Assume that there is complete dominance and complete penetrance at each locus and that epistasis does not occur. (These are the same conditions we used in class). Write your answers in numeric form (not in words). Referring to the cross: Dd EE GG hh xMxm x Dd ee Gg HH xMY How many different gametes are produced by the individual of genotype DdEEGGhhXMXm? What is the probability that the first offspring from this cross will be genotype DDEeGgHhXMxm? our answer rounded properly to 5 decimal digits. What is the probability that the first offspring from this cross will be a son that shows the dominant phenotype for all loci? (Type in your answer rounded properly to 5 decimal digits.)Assume that A, B, C, D, E, F, and G are autosomal genes on different chromosomes. From the mating (parent1) AabbCCDdeeFFGgX (parent2) AABbCcDDEeFfGG determine the following: 1. Probability that one of the offspring will have a genotype AaBbCcDdeeFfGG. (Answer in fraction) ______ 2. Probability that one offspring would be heterozygous for each gene. (Answer in fraction) ______How does one set up a punnet square for the following problem? I know the answer is supposed to be 3*1/2*1/4*1/4 = 3/32 but I'm not sure how we get these numbers. Please help!Question: In the self of a polygenic trihybrid R1/r1; R2/r2; R3/r3, use the product and sum rules to calculate the proportion of progeny with just one polygene “dose.”
- Two plants in a cross were each heterozygous for two gene pairs (AB /ab) whose loci are linked and 30 map units (mu) apart. (Recall that 1 mu is equal to 1% recombination between two genes.) Assuming that crossing over occurs during the formation of both male and female gametes and that the A and B alleles are dominant, determine the phenotypic ratio of their offspring. Part E: What proportion of the offspring of two plants (both (AB/ab ) will be A - B- if the genes are 30 mu apart? Part F: What proportion of the offspring of two plants (both (AB/ab)) will be A - bb if the genes are 30 mu apart? Part G: What proportion of the offspring of two plants (both (AB/ab)) will be aaB- If the genes are 30 mu apart? Part H: What proportion of the offspring of two plants (both (AB/ab)) will be aabb if the genes are 30 mu apart?Two linked genes, (A) and (B), are separated by 42 m.u. A man with genotype AB/ab marries a woman who is ab/ab. What is the probability that their first child will be Ab/ab? Round your answer to the nearest %.The following two genotypes are crossed: AaBbCcX+X x AaBBCCX+Y, where a, b, and c represent autosomal genes and X and X' represent X-linked alleles in an organism with XY sex determination. What is the probability of obtaining genotype AaBBCCX+X+? Additionally, what must we assume about these genes to calculate probability? 1/16, assume all genes are located on the same chromosome 1/64, assume all genes are located on the same chromosome O 1/32, assume all genes are located on the same chromosome 1/32, assume genes assort independently 1/16, assume genes assort independently 1/64, assume genes assort independently
- From a cross (Xyz) / (xYZ) x (xyz) / (xyz), where X,x, Y,y and Z,z represent alleles of three linked genes whose relative order is unknown, the least frequent classes of progeny are genotype (xyz) / (xyz) and (XYZ) / (xyz). What is the correct relative order of genes X, Y and Z? Answer using lowercase letters separated by a dash (-). Example: x-y-zConsider the following dihybrid testcross: B/b • E/e × b/b • e/e For the progeny from this testcross, determine the relative proportions (from 0% to 100%) of each genotype if the two genes: a) are linked (dominant alleles in cis conformation) with no crossing over: Be/be: be/be: BE/be: bE/be: b) assort independently. B/b; E/e: B/b; e/e: b/b; E/e: b/b; e/e: c) are linked (dominant alleles in cis conformation) and 20 map units apart. Be/be: be/be: BE/be: bE/be:A hypothetical brown frog with black spots (genotype BbSs) is test crossed with a green, unspotted frog (genotype bbss). These produce the following progeny: brown + spotted: 64 brown + unspotted: 134 green + spotted: 130 green + unspotted: 72 a. What is the genotype of the original dihybrid frog? Specify which alleles are on each chromosome of the brown frog with black spots (i.e. AB/ab or Ab/aB). b. How many map units separate the colour and spot genes? Show your calculations.
- A female of genotype a b c + + + produces 100 meiotic tetrads. Of these, 68 show no crossover events. Of the remaining 32, 20 show a crossover between a and b, 10 show a crossover between b and c, and 2 show a double crossover between a and b and between b and c. Of the 400 gametes produced, how many of each of the 8 different genotypes will be produced? Assuming the order a–b–c and the allele arrangement previously shown, what is the map distance between these loci?Human females have two X chromosomes XX; males have one X and one Y chromosome XY. a. With respect to X-linked alleles, how many different types of gametes can a male produce? b. A female homozygous for an X-linked allele can produce how many types of gametes with respect to that allele? c. A female heterozygous for an X-linked allele can produce how many types of gametes with respect to that allele?Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With respect to X-linked alleles, how many different types of gametes can a male produce? b. If a female is homozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele? c. If a female is heterozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele?