The first step in gene expression would be the transcription of RNA. What happens here is that a part of the DNA is being replicated into the RNA through an enzyme. Therefore, what happens first during transcription is that, the RNA polymerase reaches the start of a gene. The answer would be B.
Answer:
d. Ecotourism combines wildlife conservation with economic benefits.
Explanation:
Ecotourism is the fastest growing field in the coming years focusing on the wildlife conservation and development of economy.
ecotourism plays a vital role in the protection of wild life and environmental sustainability for the enhancement of social and economic benefits.
Answer:
Pressure is the correct answer.
Explanation:
Answer:
d. Crossing over
Explanation:
Crossing over is a process that occurs during the meiosis (prophase 1) and represents the exchange of genetic material between non-sister chromatids of homologous chromosomes. As a result of this process new recombinant chromosomes (new allelic combinations in the daughter cells) are formed. Crossing over is a source of genetic variation.