Variation and Evolution: Selective Breeding.

Question 1

What are the 4 examples of selective breeding?

Answer 1

• Domestic Dogs= Gentle Nature.
• Food Crops: Resistance to disease/
• Cows: Produce more meat or milk.
• Plants: Produce large or unusual flowers.

Question 2

How is selective breeding carrying out?

Answer 2

• Take a mixed population of the living organism and select the ones with the desired chaarcteristics/beneficial (Male and Female) and breed them together.
• Sexual Reproduction produces variation in offspring. Select the desired characteristics from the offspring and breed them together.
• ## Continue doing so over many generations until all offspring maintains the desired traits.

Question 3

What is a problem with selective breeding?

Answer 3

• When breeding closely related animals or plants= Inbreeding.
• ## Cause breeds to be prone to inherited defects or diseases.