Crossing over at prophase I results in the linked genes (those on the same chromosome) becoming unlinked and separated. Prophase I is this first stage of meiosis, the chromosomes condense, form tetrads<span>, and exchange DNA. The nucleolus and nuclear envelope disappear.</span>
The cell wall and chlorophyll are absent in animal cells. These are unique to plant cells.
Answer:
3 can you think of other examples of toxic substances not listed in the gizmo from science 101 at Stephen decatur high
Your answer would be: New traits, lose. This is because evolution is when a species changed and adapts to changes in their environment. During this process, they may lose old traits that are no longer useful.
