Turner syndrome occurs in females who instead of having two x chromosomes have either only one x chromosome or a fragmented x chromosome. klinefelter syndrome occurs in males who have multiple x chromosomes. consider the karyotype. mc017-1.jpg which chromosomal abnormality is shown by the karyotype

male with turner syndrome
male with klinefelter syndrome
female with turner syndrome
female with klinefelter syndrome

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

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