220 



GENETICS 



membrane and the more compact form of the chromo- 

 somes. At the end of the prophase (Fig 52) the chro- 

 mosomes have come to lie at the equator of the cell, 



fig. 48. The Resting Cell Kg. 49. Beginning Propncae Flg.60. Early Prophets 



F1g 61. Prophase Fig. 52. End of Prophase Fig. 63. Mataphate 



Fig. 64. Beginning Anaphase 



Fig. 66. Anaphase 



Fig. 66. Beginning Telophase Kg. 67. End of Telophaw 



Pioi. 48-57. Diagrams illustrating mitosis. After Boveri. 



being connected by the mantle fibers with the centro- 

 somes, each of which now occupies a polar position. 

 In the metaphase (Fig. 53) the chromosomes split 

 lengthwise, and at the beginning of the anaphase (Fig, 



