Related by context. Frequent words. (Click for all words.) 74 Y chromosome 59 mtDNA 56 mitochondrial DNA 55 X chromosome 55 mutation 54 chromosomal 53 mutations 53 genetic variant 53 lineages 51 alleles 51 gene mutation 51 genomes 51 chromosomes 51 genetic 50 haplotype 50 genes 50 genetic variation 50 X chromosomes 49 genetically identical 49 genetically 49 chromosome 48 DNA sequences 48 genetic markers 48 genetic variations 48 gene 47 defective gene 47 homozygous 47 geneticists 47 genetic sequences 47 Neanderthal 47 genetic mutations 47 common ancestor 47 mutated gene 46 genotype 46 chromosomal abnormalities 46 gene variant 46 genetic mutation 46 genetic defect 46 gene sequences 46 genetic makeup 46 allele 46 genetic abnormalities 45 lineage 45 Homo sapiens 45 DNA 45 genetic variants 45 loci 45 gene variants 44 CNVs 44 ancestry 44 genetic diversity 44 heritable 44 genome 44 phenotype 44 Neanderthals 44 clade 44 polymorphism 43 SNPs 43 gene mutations 43 surnames 43 mutated 43 phenotypes 43 genotypes 43 methylation 43 polymorphisms 43 genetic alterations 42 interbreeding 42 Homo erectus 42 eukaryotes 42 germ cells 42 protein coding 42 Ashkenazi Jews 42 Plasmodium falciparum 42 Semitic 41 telomere length 41 progenitors 41 testis 41 DNA samples 41 lipoprotein 41 retrovirus 41 evolutionarily 41 Chromosome 41 genetic sequencing 41 mammalian 41 radiocarbon dating 41 fraternal twins 41 ES cells 41 phenotypic 41 human genome 40 gene variation 40 hominid 40 BRCA2 40 genetic fingerprint 40 ancestor 40 protein complexes 40 genetically distinct 40 mitochondrial 40 evolutionary biologists 40 heritability 40 mutant 40 BRCA1