Related by context. Frequent words. (Click for all words.) 49 nucleotide 47 DNA sequences 44 phenotype 43 DNA strands 43 chromosomal 42 X chromosome 42 RNA molecules 42 loci 41 methylation 41 recombination 40 polymorphism 40 chromosome 39 Y chromosome 39 alleles 39 mammalian 39 genomic 38 SNPs 38 mutations 38 mutation 37 genotype 37 lineages 37 chromosomes 37 human genome 36 ES cells 36 Homo sapiens 36 DNA methylation 36 allele 36 retrovirus 36 Drosophila 36 miRNAs 35 gene expression 35 messenger RNA 35 genes 35 genomes 34 genome 34 mitochondrial DNA 34 mitochondrial 34 genetic 34 speciation 34 epigenetic 34 progenitors 33 evolutionary 33 gene 32 DNA 32 genetic variation 32 genetically 32 genetic variations 32 mutated 31 genetic variant 31 genetic markers 31 genetic sequences 30 telomeres 30 genetic variants 29 gene mutations 29 Neanderthals 29 progenitor 29 galaxies 29 genetic makeup 29 mitochondria 29 lineage 29 genetic mutations 28 mutated gene 28 genetic diversity 28 gene variants 28 genetically identical 28 common ancestor 28 hunter gatherer 28 hominid 27 Neanderthal 27 gene mutation 27 gene variant 27 Homo erectus 26 genetic mutation 26 BRCA1 26 inbreeding 26 BRCA2 25 testes 25 interbreeding 24 civilization 24 malignancy 24 genetics 24 genetic defect 24 ancestry 24 genetic traits 24 geneticists 23 Genetic 22 ancestor 22 defective gene 22 genetic defects 22 offspring 22 heredity 21 Semitic 21 Fragile X 21 BRCA 19 Homo 19 genetic predisposition 19 sperm 18 hereditary 16 DNA testing 16 amniocentesis 15 paternal