the twelve days of Christmas archive.

On the twelfth day of Christmas...

On the twelfth day of Christmas my true love gave to me… twelve drummers drumming. Researchers have created a genetic linkage map for the marine fish red drum.

On the eleventh day of Christmas...

On the eleventh day of Christmas my true love gave to me… eleven pipers piping. Comparison of the chromosomes of Brant’s whistling rat, the bush karoo rat and the vlei rat shows genetic similarities.

On the ninth day of Christmas...

On the ninth day of Christmas my true love gave to me… nine ladies dancing. Ferocious Beauty: Genome is Dance Exchange’s multi-media dance performance inspired by the mapping of the human genome.

On the eighth day of Christmas...

On the eighth day of Christmas my true love gave to me… eight maids-a-milking. In 2009, researchers sequenced the genome of a female Hereford cow, and published the results in Science.

On the seventh day of Christmas...

On the seventh day of Christmas my true love gave to me… seven swans-a-swimming. Researchers have sequenced the mitochondrial genome of the whistling swan.

On the sixth day of Christmas...

On the sixth day of Christmas my true love gave to me… six geese a-laying. In June 2011, Chinese researchers sequenced the genome of the Zhedong white goose.

On the fourth day of Christmas...

On the fourth day of Christmas my true love gave to me… four calling birds. These are actually colly birds, otherwise known as blackbirds.

On the third day of Christmas...

On the third day of Christmas my true love gave to me… three French hens. In 2004, the Red Jungle Fowl (Gallus gallus), which is the progenitor of domestic chickens, was the first bird to have its genome sequenced.

On the second day of Christmas...

On the second day of Christmas my true love gave to me… two turtle doves – well, actually the genes for pigeon milk.