Inheritance And Selection Flashcards
Environmental variation- what is It
Variation due to the surroundings and upbringing.. Developed from the environment
What is genetic variation
Characteristics inherited through your parents genes
Main four characteristics inherited through your parent genetic information
Normal hair colour
Eye colour
Blood group
Inherited diseases
What are the four things affected by the environment
Weight
Skin colour
Academic ability
Sporting prowess
What Is cloning
Genetically identical organism
Name the steps
Skin cell and nucleus from that
Another organism - retrieve nucleus from that
Put DNA nucleus into the egg cell of the ‘another organism’
Fertilise both nucleuses and implant into the uterus of another organism.
Plants are affected mucho more by the environment
Name the 4 things which can change the growth drastically
Temp
Sunlight
Moisture
Soil conditions
Genes
How many chromosomes
23 pairs
46 chromosomes
What is a chromosome
Information that the kid will genetically inherit
Selective breeding
What happens
Humans or animals create the best animal or plant which concise of the best characteristics or most elegant appearance.
Give example of selective breeding
Dog fighting competitions - better teeth.
Cows - better and more meat
What is the negative of selective breeding
Offspring can have diseases like bad eyesight or diabetes etc.
What is a cross breed
When the offspring is infertile
