The answer is D) <span>Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both.
The addition rule is used to calculate the probability of one of the events from multiple pathways. If you want that only one of the events happens, you will use the addition rule. In a case when you want to calculate the possibility of a child having EITHER sickle-cell anemia OR cystic fibrosis, you will use THE ADDITION RULE.
For example, in statement B) you will not use this rule because there is no either/or, but both/and. In case, B) you would use the multiplication rule.</span>
They lack nucleus and the are prokaryotes
Some are Autotrophs- not all so both c and d are incorrect as neither applies to all bacteria
Answer:Mitochondria
Explanation:it breaks down the glucose and release energy in the form of ATP adenosine tri phosphate
BB because the father is like that
It would belong to the Alkaline class
