- How does speciation take place?
- Define the term gene.
- The gene for red hair is recessive to the gene for black hair. What will be the hair colour of a child if he inherits a gene for red colour from his mother and a gene for black hair from his father? Express with the help of flow chart.
Answer:
- Speciation may take place by
- Migration
- Natural selection
- Mutation
- Genetic drift
- The segment of DNA which is functional and is made of nucleic acids and protein is called gene.
- Given,
Mother has red hair which is recessive, i.e., bb Father has black hair which is dominant, i.e., BB or Bb.
The inheritance pattern can be shown as follows:
