If the mans father could not roll his tongue, then the father has a genotype of rr.
Now if the man (the son) can roll his tongue this mean he has a genotype of either RR or Rr.
Because the father has a genotype of rr, that means the son has to have at least one allele of r.
This means the genotype of the man is Rr.
If you're looking for a quote regarding using sunlight as a source or energy, a quote by Maria Telkes would be '"Sunlight will be used as a source of energy sooner or later..." she said. "Why wait?"'
Answer:
What is one question you have about the study of life? Talk about the meaning of life and inquire about the way in which human beings. From philosophy this has to do with freedom
What is one question you have about biology?
What is the cell?
Who was Robert Hooke?
What is the difference between prokaryotic and eukaryotic cells?
And the difference between plant and animal cells?
Who was Louis Pasteur?
What does the theory of biogenesis say?
What do you mean "sterilized"?
Explanation:
Answer:
1st option and and 3rd one
Explanation: