1.   But where had his Glover genes come from if his father was in a sperm bank?

2.   Why did genes come together into large vehicles, each with a single genetic exit route?

3.   Here is where the var genes come into play.

4.   It is amazing how the genes come through.

5.   Maybe some singing genes have come down into his fingertips, but if so, it took him a while to discover them there.

6.   Most genes come in two copies, one inherited from each parent.

7.   Other susceptibility genes come into play as do complicated cellular pathways that may either help promote or suppress immune responses.

8.   The gene came to light because it was impaired in members of a large London family who suffered from a range of speech and language disorders.

9.   The other five genes come in either three or six variants.

10.   The stained glass gene came from his mother, who is still running a studio out of her house in Maryland.