In a cell about to undergo meiosis there are 2-pairs of, Ask an Expert

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In a cell about to undergo meiosis there are two pairs of homologous chromosomes. Genes D and d occur on different members of one pair of chromosomes. On the other pair of homologous chromosomes, genes B and C are linked on one chromosome, and genes b and c are on the other. Of the following gametes, which would you expect to be produced in relatively low frequency? Highest frequency?

a) DBC

b) DbC

c) dbc

d) a & b are expected in low frequency

e) all these gametes will occur in equal frequency

I know Double Crossovers produce the lowest frequency and Parental types the highest frequency, but i can't figure out how the genes are organized and on what chromose lies what gene. An illustration or something showing where each gene would help greatly! thanks!

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Category:- Biology
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