Explain the process cells undergo to maintain homeostasis? explain how each of these processes a cell?

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.