They most likely uses a sample and a microscope to see.
2. Increases
but you might have to double check this
I would try to contain then kill all the lion fish. i would evaluate it by seeing how many dead lion fish body's i can get out of the water.
Answer:
Only the recessive allele is expressed in heterozygous individuals?
False
Explanation:
Recessive allele is always homozygous and never heterozygous as it is always dominant
