selective breeding

Question 1

what is the definition of selective breeding

Answer 1

when humans/farmers choose organisms with desirable characteristics & breed them together to produce offspring with those desirable characteristics- happens over many generations

Question 2

what are reasons to selectively breed animals

Answer 2

-produce More milk, eggs, meat
-aesthetic reasons
-quality and quantity
-higher quality products
-hardiness in adverse conditions
-resistance to diseases+parasites

Question 3

what does AI stand for

Answer 3

artificial insemination

Question 4

what is AI

Answer 4

a method of elective breeding used to make an animal pregnant without sexual intercourse

Question 5

why would farmers want to selectively breed crops

Answer 5

-higher yield
-better quality
-improved nutritional value
-improved resistance to pests and diseases
-adaptability to harsh environments
-faster growing

Question 6

what are the steps of cloning an animal

Answer 6

-adult cell is removed
-an unfertilised egg cell is removed fro the egg done animal
-cell is enucleated
-enucleated egg cell and nucleus from adult cell combine and fused together by electricity
-zygote divides by mitosis
-embryo is implanted into uterus of surrogate animal
-offspring is genetically identical to parent