Use Pedigree Inbreeding Loop when you need to compute the path contribution to an offspring inbreeding coefficient for one common ancestor loop. Enter Generations through the loop and Common ancestor inbreeding using the definitions and units below so the result can be reproduced.

Generations through the loop

Number of generations from the sire to the common ancestor plus dam to the common ancestor.

Common ancestor inbreeding

A finite measured or assumed value from 0 through 1.

The published tool contract uses this rule: Compute the path contribution to an offspring inbreeding coefficient for one common ancestor loop.

Inbreeding coefficient path contribution

The calculated inbreeding coefficient path contribution.

The calculation does not propagate measurement uncertainty, sampling error, or biological and chemical variability. Common ancestor inbreeding must remain between 0 and 1.

Retain the original Generations through the loop and Common ancestor inbreeding values and their units alongside the result. Pedigree F Accumulated is useful when you instead need to accumulate an inbreeding coefficient as the base coefficient plus the remaining relationship budget times one path contribution. Inbreeding Coefficient provides another view by helping you compute the inbreeding coefficient f = (he - ho) / he, which may be negative when heterozygote excess occurs.

• Pedigree F Accumulated

  Accumulate an inbreeding coefficient as the base coefficient plus the remaining relationship budget times one path contribution.

• Inbreeding Coefficient

  Compute the inbreeding coefficient f = (he - ho) / he, which may be negative when heterozygote excess occurs.

• Monohybrid Punnett

  Compute offspring genotype probabilities for a monohybrid cross between two parents.