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The chart below shows the number of chromosomes before and after cell division and fertilization in a mammal.

      

The chart below shows the number of chromosomes before and after cell division and fertilization in a mammal.
Biology5920171114.jpg
(a) What type of cell division takes place at Z.
(b) Where in the body of a female does process Z occur.
(c) Name the process that leads to addition or loss of one or more chromosomes
(d) Name the process that leads to addition or loss of one or more chromosomes
(e) State three benefits of polyloidy in plants to a farmer.

  

Answers


John
(a) Meiosis

(b) Ovary

(c) Parent must be at the 2n (top); any 'n' in a gamete

(d) Non - dysjuctions

(e) - Increased yields/ highbrid vigour

- Resistance to diseases

-Resistance to drought.
johnmulu answered the question on May 9, 2017 at 08:20


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