Which statement explains why the recombination frequency between two genes is always less than 50%? a) recombination cannot be more than 50% because chromosome are only 50 map units in lengthb) f1gametes always have 50% of their alleles from each parental gametec) the genotype of the f1 gametes will always be 50% parental games and 50% recombinant gametesd) genes with a recombination frequency near 50% are unlinked and have an equal likelihood of being inherited together or separately

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.