Internal and external environmental factors, like gender and temperature, influence gene expression. Sex-limited traits are also autosomal. Unlike sex-influenced traits, whose expression differs ...

Other factors that contribute to how long rabbits include breed, genetics, gender, as well as diet, Oxbow Animal Health reports. The American Rabbit Breeders Association recognizes 52 unique breeds.

The scientists then sequenced nearly 20,000 genes to pinpoint mutations that have emerged since the myxomatosis pandemics of the 1950s. The study, published today in the journal Science, establishes ...