Aboy with an extra x chromosome probably has which of the following syndromes? a. down syndrome. b. klinefelter syndrome. c. xxx syndrom

A boy with an extra X chromosomes probably has Klinefelter syndrome.

Klinefetler syndrome often results in loss of male secondary sex characteristics or it may results in development of female sex characteristics .

the concept of nucleosome occupancy, which reflects the fraction of cells from the population in which a given region of dna is occupied by a histone octamer

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.