Answer:
Box 1: AA
Box 2: Aa
Box 3: AA
Explanation:
In order to figure out the pedigree, you first have to do a punnet square- kind of like cross-multiplying. EX: For the first box: Aa x AA
For box one, we know that it is Aa, and not AA, because box 2 has to be AA.
We know that because Aa X Aa would give us some "aa" offspring which we do not see in the last generation (see 2nd pic). The only way to get no "aa" offspring is to have an AA X Aa cross.
Answer:
Algal blooms can reduce the ability of fish and other aquatic life to find food and can cause entire populations to leave an area or even die. ... Nutrient pollution fuels the growth of harmful algal blooms which have negative impacts on aquatic ecosystems.
Explanation:
D. Proteins help control substances by making trans-membrane channels.