51.   The association is also worried that employers and insurance companies might discriminate against people whose medical records show that they have the gene.

52.   The Bryans also have the genes in their favor.

53.   The hormones are produced in bacteria that have the gene that codes for the human hormones spliced into their own DNA.

54.   The researchers took blood samples from each volunteer to determine which MHC genes they had.

55.   The test would tell her if she had the gene.

56.   The work suggests that at one time humans had a gene that helped protect them from viruses like HIV, but lost it.

57.   Using an egg donor required accepting the fact that her child would not have her genes.

58.   We have youthful genes.

59.   We have genes that specify the color of our skin, hair and eyes, the shape of our bodies and our susceptibility to disease.

60.   While our brains and theirs have similar genes, it turns out that we are switching on those genes in very different patterns.