Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
Answer:
By looking at the different possibilities.
Explanation:
By looking at which letters correspond to which, you can tell what the chances are of being what.
Have a nice day! :)
Answer:
Genes.
Explanation:
Genes are present on DNA that are inherited from parents to their offspring. Genes may be defined as the segment of DNA that ultimately form a particular protein product.
The particular trait of an organism is determined by the specific combination of the inherited genes. The genes are nearly same in all the human beings and there mutation can cause observable phenotype traits.
Thus, the correct answer is option (2).
Most scientific questions are based off of theory.