What does the notation Tt mean to geneticists? O One dominant allele and one recessive allele
O At least one recessive allele
OTwo recessive alleles
Two dominant alleles

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.