Enumeration

Question 1

What are the steps under Classical Breeding.(4) sya mah

Answer 1

1.Determine which trait are significant enough to be chosen.
2.Select parents that exemplify the desirable traits.
3.Choose the best offspring from parents to produce the next generation.
4.Repeat the process.

Question 2

What are the steps under Recombinant DNA Technology. (5) to mah

Answer 2

1.We need two variables DNA Containing “Gene of interest” and a Bacterial Plasmid
2.We need to cut and open the Bacterial plasmid by “restriction enzyme”;
3.Insert the gene of interest into the open plasmid by DNA ligase.
4.Then you can now have RECOMBINANT DNA. Afterwards, Insert the Recombinant DNA to the bacterial cell.
5.Then isolate the bacteria for it to multiply

Question 3

What are the three era under Phanerozoic Eon.

Answer 3

1.Paleozoic era
2.mesozoic era
3.Cenozoic era

Question 4

What are the three Sub-division of Precambrian eon.

Answer 4

1.Hadean eon
2.Archean eon
3.Proterozoic eon