mother has two gene versions, and father has two gene versions but they can only give one gene. How do you know which genes offspring receives?

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen

Can a trait be both polygenic and have multiple alleles? explain why or why not.