Consider the following cross: AaBbCcDd X AaBbCcDd. How many different genotypes would expect in the offspring from this cross? Number of different gentoypes =
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Consider the following cross: AaBbCcDd X AaBbCcDd. How many different genotypes would expect in the offspring from this cross?
Number of different gentoypes =
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- Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were counted, with the following results: 474 Aabb, 480 aaBb, 20 AaBb, and 26 aabb. What type of cross is it? Are these loci linked? What are the two parental classes and the two recombinant classes of offspring? What is the percentage of recombination between these two loci? How many map units apart are they?Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?Consider the following cross: AaBbCcDdEe X AaBbCcDdEe. How many different phenotypes would you expect in the offspring from this cross? Number of phenotypes =
- A cross is made between AaBbCc and aabbcc plants, and the offspring occur in the following numbers: 30 aaBbCc 15 aaBbcc 30 aabbCc 15 aabbcc 15 AaBbCc 30 AaBbcc 15 AabbCc 30 Aabbcc What is the arrangement of alleles on the homologous chromosomes of the heterozygous parent? Include map units.Consider these two crosses and assume that independent segregation is exhibited by all gene pairs: RrmmTT x RRMmTtFfGg x FfGg Derive the gametic ratio of the second parent in each cross using the branching method. What proportion of the offspring in each cross will be heterozygous for all gene pairs? Derive the genotypic ratio for the offspring from each cross using the branching method. Show complete solutions.Diagram the P1 and F1 crosses, using Mendelian notation, to show the possible genotypes found in each generation. (Remember a diagram is just the cross itself, not the progeny).
- What will be the PR and GR of the following crosses? Give also their phenotypes. (Designate your own phenotype for each character) AaBb x aabb AAbb x AaBB AaBb x aaBB AABb x aabbThese genotypes are crossed: AaBbCcdd x AabbCcDd. What will the proportion of thefollowing genotypes be among the progeny of this cross? (Show your solution and put the final answerin a box).a) AAbbCcdd b) AaBbCcDdGiven a cross of AaBbCcDdEe X aaBBccDdEe, what is the probability of getting an offspring with genotype AaBBCcddEe? Given a cross of AaBbCcDdEe X aaBBccDdEe, what is the probability of getting an offspring with phenotype ABCde? Given a cross of AaBbCcDdEe X AaBBccDdEe, what is the probability of getting the phenotype ABCDE? Given a cross of AaBbCcDdEe X AaBBccDdEe, what is the probability of getting AaBbCcDdEe?.
- In tomatoes, red fruit color (R) is dominant over yellow fruit color (r). Do the following crosses: Rr x rr Rr x RR rr x RR Rr x Rr rr x Rr rr x rr Show your Punnett square for each cross. For each cross also show the genotypic and phenotypic ratios.A pure-breeding (or true-breeding) individual is homozygous for all genes of interest. From the following cross involving 5 independently assorting genes: Aa Bb cc Dd Ee x AA Bb Cc Dd ee what is the probability of obtaining a pure-breeding individual? Enter your answer as a decimal rounded to the nearest thousandths place (for example...if the probability is "0.666666666" enter "0.667")The genotypes of F1 individuals in a trihybrid cross are LlMMNn x llMmNn. What is the probability that the F2 offspring will have an LlMmnn genotype? Use the forked-line method in solving the problem.