Animal Mendelian Genetics & Inheritance

Dairy Goat Polled Intersex Syndrome (PIS) Mendelian Probability Calculator

Calculate Mendelian Punnett square offspring percentages, carrier probabilities, and litter manifestation odds for Dairy Goat Polled Intersex Syndrome (PIS) (FOXL2 Chromosome 1 Inversion).

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Operating Protocol & Usage Instructions

  1. Select genetic carrier status or test results for Sire (Male) at the FOXL2 Chromosome 1 Inversion locus.
  2. Select genetic carrier status or test results for Dam (Female).
  3. Input expected litter or clutch count to compute cumulative probability of producing at least one homozygous offspring.

Scientific & Clinical Inquiries (FAQ)

How is FOXL2 Chromosome 1 Inversion inherited in Capra hircuss?

The FOXL2 Chromosome 1 Inversion follows classic Mendelian inheritance. Carriers with a single recessive allele typically appear normal but pass the mutation to 50% of gametes.

What is the danger of breeding two heterozygous carriers together?

A carrier-to-carrier cross yields a 25% statistical risk per offspring of inheriting two mutant alleles, potentially causing lethal developmental defects or expressing homozygous health anomalies.

Can DNA testing definitively confirm these alleles?

Yes, commercial veterinary genomic panels can sequence the specific locus to eliminate guesswork before pairing breeding stock.