Answer:
The answer should be 
Since the pedigree has two different letters, it will have one letter of each, but the DNA will still be A.
The answer to your question is fish
Earth’s axis passes through the North and South Poles. It takes Earth 24 hours to rotate once around its axis. Earth revolves once around the Sun in 365 days during a non-leap year.
Because it was not tested multiple times by other scientists