What happens to the air bubble when the leafy shoot of the potometer is enclosed in a polythene bag

The answer is c water is the solvent and salt is the solvent

25% or 1/4 of the offspring would have red flowers, 50% or 1/2 of the offspring would have pink flowers, and 25% or 1/4 of the offspring would have white flowers. i crossed rr and rr which are the pink-flowered genotypes to find these ratios.

If dd means heterozygous for dimpled chin, then that is the genotype; but the dominant shows through with only one capital, meaning they have a dimpled chin as the phenotype.if ff is recessive for free earlobes, then that genotype is homozygous recessive; they won't be free, they'll be attached as the phenotype because of the double dose of lower-case f.