Inheritance, Variation and Evolution 2

Question 1

What are the complementary base pairs?

Answer 1

A-T
T-A
G-C
C-G

Question 2

What is a genome?

Answer 2

All of our genetic material

Question 3

What is protein synthesis?

Answer 3

The manufacture of protein which has two parts

Question 4

What is an allele?

Answer 4

Pairs of genes, one inherited from each parent. The alleles present are an organisms phenotype

Question 5

What is evolution?

Answer 5

A change in the inherited characteristics of a population over time through the process of natural selection which may result in the formation of new species

Question 6

What is selective breeding?

Answer 6

When humans select individual plants and animals to breed for their particular genetic characteristics
This is repeated throughout generations
It can lead to interbreeding

Question 7

What is genetic engineering?

Answer 7

The process of modifying the genome of an organism by the intorduction of a gene from another organism to give a desired characteristic

Question 8

How does genetic engineering work?

Answer 8

Enzymes are used to isolate and cut out the required gene
THis is then inserted innto a bacterial plasmid of a virus
THis is then insterted into an animal

Question 9

What are fossils?

Answer 9

Remains of organisms from millions of years ago