Answered

Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be
(a) double fertilisation
(b) self pollination
(c) cross fertilisation
(d) no fertilisation

NCERT Class X
Science - Exemplar Problems

Chapter_Heredity and Evolution

Answer :

It's c) cross fertilisation

Two ‘pink coloured flowers’ on crossing resulted in ‘1 red, 2 pink’ and ‘1 white flower progeny’. The ‘nature of the cross’ will be Cross fertilisation.

Option: (c)

Explanation:

  • 1 red and ‘1 white flower’ were cross pollinated. The flowers were of pure breed.
  • The flowers by Mendelian breed were consisted to be crossed resulting in the formation of 1 red flowers and 1 white flower which are homogeneous breed and the heterogeneous breed is pink in colour since it is heterozygous.  
  • The 1:2:1 ratio can be obtained by plotting the matrix where each red flower is written as R and the white flower as r.  
  • On crossing RR belong to the red category and rr consists to be white category whereas Rr is mixed ie pink colour.

Learn more about Cross fertilisation

Discuss the cross fertilization of artistic forms and architectural styles between the 8 and 18 century

https://brainly.in/question/5443247

Why does hydra shows cross fertilization instead of self fertilization in some cases

https://brainly.in/question/2037487

Other Questions