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Tallness in pea plants is due to a dominant gene. Two tall pea plants were crossed and their F 1 generation were in the ratio of 3 tall: 1 short. using letter T to represents the gene for tallness and t for shortness give the

      

Tallness in pea plants is due to a dominant gene. Two tall pea plants were crossed and their F 1 generation were in the ratio of 3 tall: 1 short. using letter T to represents the gene for tallness and t for shortness give the
(a) (i) Genotype of the parents
(ii) Gamete of the parents
(iii) Genotype ratio of the F 1 generation
(b) What is meant by the term testcross in genetic studies?

  

Answers


John
(a) (i) Tt, Tt

(ii) T and t

(iii) 1TT: 2Tt: 1tt

(b) Crossing a homozygous recessive organism with an organism which shows dominant characteristics.
johnmulu answered the question on May 13, 2017 at 05:35


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