Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
I just found this on google
Answer:
How to Save the Rainforest
Teach others about the importance of theenvironment and how they can help save rainforests.
Restore damaged ecosystems by planting trees on land where forests have been cut down.
Encourage people to live in a way that doesn't hurt the environment.
Establish parks to protect rainforests and wildlife.
Step 1: Isolate the two kinds of DNA.
Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.
Step 3: Mix the foreign DNA with chopped plasmids.
Step 4: Add DNA ligase.
<span>radio waves, microwaves, gamma rays, X-rays, visible rays
Hope this helps</span>
