JO IB BIO HL Topic 3.5

A starfish loses a leg and is able to regenerate a leg and full body on the detached leg.

Why do scientists isolate DNA?

What organism is unintentionally affected by Bt corn?

What does restriction endonuclease do in DNA profiling?

Created when a fertilised egg (zygote) splits into two identical cells, each forming an embryo

How are plasmids used in biotech?

Which isn't a benefit of gene transfer in plants?

Plants can form horizontal stems called runners (stolons) that grow roots & develop into clones

Which is NOT a natural way of cloning

Embryonic cells differentiated to create specific tissues or organs for transplantation

What is the difference between DNA profiling in paternity tests and forensic investigation?

WHich is NOT a risk of genetic modification crops?

Through what process was Dolly the sheep produced?

Which enzyme isn't require for gene transfer?

Which isn't a disadvantage of gene transfer in plants?

Which method of cloning isn't found in nature?

Embryo is implanted into the uterus of a surrogate, a new cloned organism will develop

Process in which a nucleus is extracted from an egg and implanted in a somatic cell

WHat feature must a group of organisms have in order for them to be described as a clone

Gel electrophoresis sorts DNA according to what?

Created when 1 unfertilised egg splits into 2 cells and each is fertilised by a different sperm

What is the process of identifying the owner of DNA called?

Natural cloning, embryos are formed from the production of a diploid egg cells by the female.

What is the purpose of Bt corn?