There have been 5 Mass Extinctions throughout Earth's history.
Answer:
the gas bladder in fishes as it can help them to maintain their buoyancy in water
Genes are a set of instructions that determine what the organism is like, its appearance, how it survives, and how it behaves in its environment.
Answer: True
Explanation:
When an allele that is dominate and favoured in an individual carrying are heterozygous and the large fitness difference between heterozygous and the homozygotes not in use results to a rapid change in the frequencies of the allele.
Answer:
<h2>Cross out unnecessary phrases: Cut out introns.</h2>
Explanation:
The mRNA is a transcript of DNA . Primary mRNA transcript is edited before translation.
Mature mRNA is transcribed into protein, which is the final product of central dogma.
mRNA contains introns and exons , introns are removed by splicing.
the analogy of mRNA editing is Cross out unnecessary phrases: Cut out introns.
