Table 2 Probability of joint genotypes

From: Inferring fetal fractions from read heterozygosity empowers the noninvasive prenatal screening

 

AA

AB

BB

AA

\(p(p + qF_1)(p + qF_2)\)

\(p(p + qF_1)q(1 - F_2)\)

0

AB

\(pq(1 - F_1)(p + qF_2)\)

\(pq(1 - F_1)(1 - F_2)\)

\(pq(1 - F_1)(q + pF_2)\)

BB

0

\(q(q + pF_1)p(1 - F_2)\)

\(q(q + pF_1)(q + pF_2)\)

  1. Each row is the genotype of the mother and each column is the genotype of the fetus.