2. Plant and Animal Breeding for Sustainable Food Production - The Manipulation of Heredity

Question 1

Why is heredity manipulated?

Answer 1

To develop new and improved crops
To develop new and improved livestock
To provide sustainable food sources

Question 2

Name 5 things that breeders seek to develop crops with

Answer 2

Higher yields
higher nutritional values
resistance to pests and diseases
physical characteristics suited to rearing and harvesting
organisms that thrive in particular environmental conditions

Question 3

What may continuous variation be due to?

Answer 3

Polygenic inheritance, which refers to the interaction of multiple genes and/or environmental influences