Consider three genes on the same chromosome, Gene A, Gene B and Gene C. You perform three factor mapping cross between parentals aaBBCC and AAbbcc, and then cross the F1 triheterozygotes (aABbCc) to a pure breeding homozygous recessive strain (aabbcc). Indicate whether the F2 offspring below resulted from parental or recombinant gametes.

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Consider three genes on the same chromosome, Gene A, Gene B and Gene C. You perform three factor mapping cross between parentals aaBBCC and AAbbcc, and then cross the F1 triheterozygotes (aABbCc) to a pure breeding homozygous recessive strain (aabbcc). Indicate whether the F2 offspring below resulted from parental or recombinant gametes.

Consider three genes on the same chromosome, Gene A, Gene B and Gene C. You perform three factor mapping cross between parentals aaBBCC and
AAbbcc, and then cross the F1 triheterozygotes (AABBCC) to a pure breeding homozygous recessive strain (aabbcc). Indicate whether the F2 offspring below
resulted from parental or recombinant gametes.
aabbcc
A.
aaBbCc
recombinant
A.
Aabbcc
B. parental
AaBbCc
A. +
Transcribed Image Text:Consider three genes on the same chromosome, Gene A, Gene B and Gene C. You perform three factor mapping cross between parentals aaBBCC and AAbbcc, and then cross the F1 triheterozygotes (AABBCC) to a pure breeding homozygous recessive strain (aabbcc). Indicate whether the F2 offspring below resulted from parental or recombinant gametes. aabbcc A. aaBbCc recombinant A. Aabbcc B. parental AaBbCc A. +
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As 3 genes are located on the same chromosome then the crossing over event is very rare.

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