Category : Biology

Science / Biology - 8 months ago

Knowledge gap on the origin of sex

There are significant gaps in our knowledge on the evolution of sex, according to a research review on sex chromosomes. Even after more than a century of study, researchers do not know enough about the evolution of sex chromosomes to understand how m...

Science / Biology - 8 months ago

In fruit fly and human genetics, timing is everything

Using fruit flies, researchers have discovered a cascade of molecular signals that program gene activity to drive the fly from one stage of maturation to the next, like a baby turning into an adult. Part of this programming involves alterations to th...