What was Mendel’s explanation for the fact that 0% of the offspring from this cross were green? I need help please

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has