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23/09/2020 7:00 pm
Topic starter
Bird females have chromosome arrangement as
(a) XY
(b) XO
(c) WZ
(d) WW
1 Answer
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23/09/2020 7:03 pm
(c) WZ
Explanation:
In birds sex is determined by morphologically dissimilar pair of chromosomes called sex chromosomes. Z and W are two sex chromosomes of birds. A male bird has ZZ (homogenetic sex) arrangement while a female bird has ZW (heterogenetic sex) arrangement of chromosomes. Number of chromosomes in birds is 69.