Table 1 Hardy-Weinberg equilibrium test for mothers’ and children’s genotypes

From: Maternal iron levels early in pregnancy are not associated with offspring IQ score at age 8, findings from a Mendelian randomization study

dbSNP

Major/minor alleles

Mothers

Children

  

P-value

N

P-value

N

rs1799945

C/G

0.20

6637

0.08

8294

rs1800562

G/A

0.74

6627

0.15

8227

rs3811647

G/A

0.44

6594

0.14

8266

rs4820268

A/G

0.001

6616

0.08

8289

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