When comparing prophase i of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
a. the chromosomes condense.
b. tetrads form.
c. the nuclear envelope disassembles.
d. a spindle forms.
e. each chromosome is composed of two chromatids.

About __ of the mass of the cell is water

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

How do the sperm cells get from the stigma to the ovules?