These are the possible genotypes RR, Rr, Rr, rr
First 3 carries dominant gene for tongue rolling, so they can do it,
while the 4th genotype rr is homologous for recessive, and he/she can't
perform tongue rolling.
Answer:
What are the options? If I had to guess NaOH+H2 Na+H2O
Explanation:
Answer:
conservation is saving and reducing. To help save the earth .. Conservation is the preservation or efficient use of resources,
Explanation:
Answer:
I guess the answer to the question is ecology.