Biology · Genetics and Cytogenetics
In a plant heterozygous for a reciprocal translocation involving chromosome P (ABCDEFGH) and chromosome Q (123456), meiosis I produces a quadrivalent structure. Different segregation patterns of gametes arise from this quadrivalent configuration, typically identified as Alternate, Adjacent I, and Adjacent II segregation. Which one of the following options correctly matches the segregation patterns of gametes X, Y, and Z?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1X = Adjacent I, Y = Alternate, Z = Adjacent II✓
- 2X = Adjacent I, Y = Adjacent II, Z = Alternate
- 3X = Adjacent II, Y = Alternate, Z = Adjacent I
- 4X = Alternate, Y = Adjacent II, Z = Adjacent I
Correct answer
X = Adjacent I, Y = Alternate, Z = Adjacent II
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