Pneumonia is a leading cause of death.
The correct answer is B. This question relates to using a punnet square to determine the genotypes of the offspring. Two heterozygous parents expressing a polka-dot tale must have genotype Pp each.
Using a punnet square, this will produce 4 possible genotypes in equal probability:
PP - polka dot
Pp - polka dot
Pp - polka dot
pp - solid tale
Therefore there is a 75% change of getting polka dots in the offspring, and a 25% chance of solid tale.
A. is an incorrect answer because only 50% of offspring will be type Pp, another 25% will be expressing double dominant alleles for P as PP, which will still express polka dots.
Photosynthesis equation 6CO2 + 6H2O =light energy=> C6H12O6 + 6O<span>2
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