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2. asexual reproduction

3. different eyecolors in brothers and sisters of the same parents

4a. random means that it is by chance and not determined by science or mathematics.

4b. Mutation is the changing of certain genes over time as being passed down. Similar to evolution.

4c. Genetic mutations are random because according to the punnet square of different traits sometimes it can be 50/50% which trait you inherit.

5. Natural selection is when you may inherit both traits but only one shows due to the fact that one trait is dominant while the other is reccesive.

6. Dominant and reccessive traits determine this. For example brown eyes and dark hair tend to be dominant while blue eyes and blonde hair are recessive. If you have a parent with blue eyes and a parent with brown eyes you will most likely also have brown eyes.

7. the ones that are best fit to the enviorment

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: