K.C.S.E Biology Q & A - MODEL 2002PP1QN13
The chart below shows the number of chromosomes before and after cell division and fertilization in a mammal.
a) What type of cell division takes place at Z
b) Where in the body of a female does process Z occur
c) On the chart, indicate the position of parents and gametes
d) Name the process that leads to addition or loss of one or more chromosomes.
e) State three benefits of polyploidy in plants to a farmer
c) parent must be the 2n top; any ‘n’ is a gamete
d) Non – dysfunctions
e) increased yields / highbred Vigor, Resistance decreases
Resistance to drought.
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