As we keep learning about embryos and cells, today I present a set of questions related to Control Genes. 1) Why did the German scientist decide to study the fruit flies at the larval stage?
She decided to investigate the flies in their early stage to analyse how they developed and how the mutations occurred. Other researchers used to analyse fruit flies in their adult stage, but they couldn't understand how the genes worked nor how the mutation was produced.
2) How does the mother fly activate the control genes?
She leaves different chemical messages when she lays the eggs, and they determine the head and the tail of the growing fly and activate some gens inside the egg.
3) What is the role of control genes?
They switch on many other genes inside the cells, in order to specify their tasks. They control time and space, so the genes are activated at a determined region or organ in a specific moment of the growing process.
4) Which of the two species are closer to humans?
Zebrafish is closer. Their control genes and body plans are similar to the human beings'.
Gene Control Video
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