Numbers ofHumanCell ChromosomesTotalbaseSequencedbaseChromosomeGenaspairglapalrs4,220247,199,719224,999,719Eachcellhas46chromosomes1,491242,751,149237,712,649m1,550199,446,827194,704,8274464191,263,063187,297,0636609180,837,866177,702,7662,281170,896,993167,273,993M2,135158,821,424154,952,424X1,106146,274,826142,612,8266591,920140,442,298120,312,298101,793135,374,737131,624,73711379134,452,384131,130,853121,430132,289,534130,303,53413924114,127,98095,559,9802141,34788,290,585106,360,58515921100,338,91581,341,9151690988,822,25478,884,754171,67278,654,74277,800,2201851976,117,15374,656,15519181,55563,806,65155,785,6511317141516201,00862,435,96559,505,254#2157846,944,32334,171,9981！-D器22昌1,09249,528,95334,893,953X(sex154,913,7541,846151,058,754chromosome)1922X2021Y(sex45457,741,65225,121,652chromosome)Total32,1853,079,843,7472,857,698,560
Numbers of Human Cell Chromosomes Each cell has 46 chromosomes
What if a gene on one chromosome translocates toanother chromosome?Whathappensifthepairofchromosome21becomesthree?
What if a gene on one chromosome translocates to another chromosome? What happens if the pair of chromosome 21 becomes three?