What was the most important scientific advance gained from gregor mendel's experiments with pea plants? a. we learned that chromosomes are composed of dna. b. we learned that recessive alleles occur more frequently in the f2 generation than do dominant ones. c. we learned that many traits are inherited in discrete units, and are not the result of blending. d. we learned that there is considerable genetic variation in garden peas. e. darwin's theory of evolution by natural selection was confirmed?

The answer is; C

When Mendel coined his law of hereditary, he did not know about genes. He nonetheless observed that offsprings receive one discrete unit of a basic trait from each of the parents. He also observed that genes on different chromosome were inherited independently of each other. This principle was named law of independent assortment.

feral cats are estimated to eat tens of millions of native animals each night in australia

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.