What did Mendel observed when he crossed a green and a yellow pea?
All the offspring came out green
All the offspring came out as a mix of green
and yellow
There was more green peas than yellow
All the offspring came out yellow

Green was dominant over yellow. So they were all green if you are talking about the first generation. The second generation would be a mix

Explanation:

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: