In a multilocus system (with no dominance at each locus) all of the following genotypes are favored by stabilizing natural selection. which are examples of overdominance (i. e., heterozygote advantage) and which are not? there are 10 loci and each + or – is the allele at the locus.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

c. electrical charges of ionic bonds.