The simplest answer would be to look at a punnet square. it gives you the random chance that a trait gets passed on to offspring. it's made off probability of dominant and recessive genes. But it's random in the end.
The rotation of the Earth in its axis
The ICD-10-CM that should be reported is the O10.013. This is for pregnancies with pre-existing hypertension complicating the pregnancy in the third trimester. Since the patient is predisposed to pre-eclampsia from previous pregnancy and she is in her third trimester, the code to be used is O10.013.
Mammals. I am no scientist, but I think that they are closer to mammals due to the fact that they are warm-blooded, and they raise their young. Reptiles are cold blooded and usually leave their offspring to fend for themselves.
Estuary, is a partially enclosed body of water formed where a river flows in an ocean.