please help with these problems parents start with a double

please help with these problems

parents start with a double heterozygous AaBb individual produced from wo (AAbb aaBH If the gene irssort independently, whal wamete types wil the Parental type ndividual produce and in w would considered and which gametes would be the gametes would be expected to be dered Recombinant type? genes in a double hete recombinant this when recall the assort independently, 50% of gametes produced are expected to be Reco term \"recombinant is not necessarily associated with cross over, it just refers wo gene combinations from the original parents of the double heterozygole. say that two genes We are genetically linked when double heterozygotes produce 50% gametes recombinant b. Examine the genetic map of chramosome 2 of Drosophila melanogaster shown at the end of the questions. All of the loci on the same chromosome are said to he physically linked and belong to the same linkage group. The locus that affects the dumpy wing phenotype is at genemic map position 13.0. Based on our class discussion about the maximum percent recombination possible between two loci, of the loci shown on this map, which should in theory, be genetically linked to the dumpy locus and which should in theory, be genetically unlinked (1 say \"in theory\" because the actual case is more complicated. We will not concem ourselves with those complications tight now)? e. a two-point mapping procedure, based on the genetic map of the chromosome, what would be the expected percentage of recombinant gametes would be produced by an individual heterozygous at the dumpy locus (d\' d and the black

Solution

(1)

Double heterozygous individual= AaBb

Gametes= AB, Ab, aB, ab (all in 1:1:1:1 ratio)

Parental type:AB (50%), ab(50%)

Recombinant: Ab (50%), aB (50%)