In humans haemophilia is caused by a recessive gene. A man whose mother was hemophiliac marries a normal woman whose father was hemophiliac let H...

      

In humans haemophilia is caused by a recessive gene. A man whose mother was hemophiliac marries a normal woman whose father was hemophiliac let H represent dominant gene.
a) Define the term recessive gene.
b) What is the possible genotype of the woman?
ii) Using punnet square work out the genotype of the first filial generation. Show your working.
c) i) What is the probability of the daughter being haemophilic?
ii) State one advantage of mutation to plants.

  

Answers


sharon
a) Genes that express themselves only in its homozygous state; OWTTE
b) i) XHXh
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c) i) ½ /0.5/ 50%
ii) -Increased yield.
Resistance to pests and diseases.
sharon kalunda answered the question on September 17, 2019 at 12:03


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