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- The following two genotypes are crossed: Aa Bb Cc dd Ee x Aa bb Cc Dd Ee. What will the proportion of the following genotypes be among the progeny of this cross? a) AaBbCcDdEe b) AabbCcddee c) aabbccddee d) AABBCCDDEEGiven a cross between AabbCcDdEeFFGgHh x AaBbCcDdEEffggHH, a) how many possible gametes can the first individual produce? b) what proportion of the offspring will phenotypically resemble the first parent? c) what proportion of the offspring will genotypically resemble the second parent? d) how many phenotypes can be expected from the cross?What is the probability of producing a child that will phenotypically resemble either one (one OR the other) of the two parents in the following crosses? a) Aa bb cc dd X AA BB CC DD b) Aa Bb Cc Dd X Aa Bb Cc Dd c) Aa bb cc dd X aa bb cc dd Make sure to show your work in details.
- 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 aabbWhat is the genotype of the F1 generation of the corn dihybrid cross described above? What is the phenotype of the F1 generation of the corn dihybrid cross described above? What are the possible maternal and paternal genotypes of the F1 gametes of the corn dihybrid cross described above?What is cross-matching?
- Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?Using the forked-line, or branch diagram, method, determine the genotypic and phenotypic ratios of these trihybrid crosses: (a) AaBbCc * AaBBCC, (b) AaBBCc * aaBBCc, and (c) AaBbCc * AaBbCc.Given the cross AaBbCc x Aabbcc, what is the probability of obtaining an offspring with the genotype aabbCc?
- The genotype of EB27 and EB67 are unknown. Based on pedigree, what are the most likely genotype of each individual?What is a genetic cross?Having dimples (D) is dominant over not having dimples (d). A dimpled woman (whose father had no dimples and whose mother did have dimples) marries a man whose mother had no dimples, whose father had no dimples, and whose grandparents on his father’s side did have dimples! a)What are the genotypes of the man and woman? b) Show the cross. c)How many different genotypes are possible among the offspring? d)How many different phenotypes are possible among the offspring? e)What is the probability of getting DD offspring? f) What is the probability of getting dd offspring? g) What is the probability of getting dimpled offspring? h) What is the probability of getting offspring with no dimples? i)What is the probability of getting homozygous offspring?