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G11 SUPER GIO
123
03
CHALLENGE MISSIONinheritance, expression, regulation, and variation

inheritance, expression, regulation, and variation

INDEPENDENT DEFENSEINDEPENDENT TRANSFER

Pedigree challenge

Two unaffected parents have an affected daughter and affected son. The trait appears in both sexes and skips generations. Assume full penetrance and no new mutation.

  1. Unaffected parents can carry a recessive allele.
  2. Both sexes are affected.
  3. An affected daughter with unaffected father argues against X-linked recessive.

Which inheritance model is most consistent?

MODELGene Expression Console
DNA
PROVEChoose with evidence
CLUE

Pause. Find what matters. Then make your move.