Sex chromosome evolution tracked in fruit fly

(Phys.org) -- Fruit flies are commonly used in genetics research because their lifespan is short, they are easy to breed in the laboratory, and mutants are widely available. There are about 1,500 known species. Now a new ...

Why Obama's Dog Has Curly Hair? Study Finds 3 Dog Coat Genes

(PhysOrg.com) -- University of Utah researchers used data from Portuguese water dogs - the breed of President Barack Obama's dog Bo - to help find a gene that gives some dogs curly hair and others long, wavy hair.

Worms can evolve to survive intersex populations

(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) use a chromosomal ...

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