While human body cells have 46 chromosomes, fruit fly body cells contain 8 chromosomes and fruit fly gametes contain 4 chromsomes. to demonstrate your understanding of chromosome number, s please apply your knowledge to fill out this chart for fruit fly cells. you will need to (1) illustrate the number of chromosomesi n each fruit fly cell and (2) write the number of chromosomes and chromatids in each fruity fly cell on all of the blank lines. Notice: Mitosis is on the left and meiosis is on the right

Explanation:

Fruit fly body cells contain 8 chromosomes and fruit fly gametes contain 4 chromsomes.

Diploid number of chromosomes in body cells of fruitfly is 2n = 8

Haploid number of chromosomes in gametes of fruitfly is n = 4

                   Before DNA replication    Before Mitosis         After mitosis

                                                             (DNA replication)

Illustration             2n = 8                          XX XX                   II II II ii

                               II II II ii                          XX xx                   II II II ii

number of

chromosomes           4                                  4                           4

number of

chromatids                8                                  16                      8 chromatids each

                                                                                           in two daughter cells

                  Before DNA replication Before Meiosis  Meiosis I    Meiosis II

                                                        (DNA replication)

Illustration        2n = 8                       (XX XX                   X X X x      

                         II II II ii                        XX xx )                  X X X x      

number of

chromosomes           4                           4                   4 each in 2   4 each in 4

                                                                              daughter cells daughter cells                                                                              

number of

chromatids                8                           16                  8 each in 2     4 each in 4

                                                                              daughter cells daughter cells

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