I think it's the nucleus because thats where all the infomation is held, but you may want to check it out on bitesize :)
Chromosomes (DNA/genes).
They select trais that will give hybird organisms a competive edge.
purposely mating organisms with desired traits
Genes are what determine an organisms physical traits.
You can get your traits from older generations and you can also get your traits from non-living organisms, too.
Chromosomes (DNA/genes).
Chromosomes carry information that determines traits. Nuclear membrane controls what moves into and out of the nucleus. Nucleolus helps make ribosomes.
Heredity
dominant parent traits.
Natural selection
Read the book
A scientists uses an organisms genetic and shared physical traits.
Sexual reproduction allows for organisms to reproduce and pass on their traits.
They select trais that will give hybird organisms a competive edge.
traits that all organisms have
there is a variation in every population and organisms compete for limited resources and organisms produce more offsprings that can survive,organisms pass through genetics traits on to the offsprings .
Chromosomes contain organisms' DNA. DNA is the genetic information that controls the traits of organisms. Chromosomes are found on DNA.