Perquè dos dies després de la ovulació la dona ja no es fèrtil

Lupe is a carrier for color blindness. her husband clifford is colorblind. if lupe and clifford have four children, what's the probability of a boy being colorblind?

Which of the following describes a bathypelagic zone

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic