What is the genotype ratio for the offspring in this Punnett Square?

help

1:2:1

Explanation:

When we say genotype, we are talking about the different type of allele combinations. Phenotype is when you are looking at dominant recessive ratios.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.