chromosome from mom
chromosome from dad
hitchhiker thumb allele from mom
attached earlobe allele from mom
unibrow allele from mom
short eyelash allele from mom
thin hair allele from mom
straight thumb allele from dad
no widows peak allele from dad
long eyelash allele from dad
thin hair allele from dad
thumb gene
widows peak gene
eyelash length gene
hair thickness gene
pairs
genes
alleles