Home
Class 10
BIOLOGY
(a) How does speciation take place? (b...

(a) How does speciation take place?
(b) Define the term gene.
(c) 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.

Text Solution

Verified by Experts

(a) Speciation may take place by :
(i) Migration
(ii) Natural selection
(iii) Mutation
(iv) Genetic Drift
(b) Segment of DNA which is functional and are made of nucleic acids and protein.
(c) Given,
Red hair-Mother-Recessive\bb
Black hair-Father-Dominant\BB

Thus, the child will have black hair.
Promotional Banner

Topper's Solved these Questions

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER (INTEXT QUESTIONS)|17 Videos

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER TEXTBOOK EXERCISES|11 Videos

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise TOPIC - 2 (ORIGIN OF LIFE AND EVOLUTION)(SHORT ANSWER TYPE QUESTIONS - II)|24 Videos

  • CONTROL AND CO-ORDINATION

    OSWAAL PUBLICATION|Exercise NCERT CORNER (Textbook Exercises)|12 Videos

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise NCERT CORNER (TEXTBOOK EXERCISES)|11 Videos

Similar Questions

Explore conceptually related problems

The gene for brown coloured hair is recessive that of gene for black coloured hair. What is the hair colour of a person who has inherited a gene for brown coloured hair from mother and black coloured hair from father?

A courier-person cycles from a tower to a neighbouring suburban area to deliver a parcel to a merchant.His distance from the town at different times is shown by the following graph.(a)What is the scale taken for the time axis? (b)How much time did the person take for the travel? (c)How far is the place of the merchant from the town? (d)Did the person stop on his way?Explain. (e)During which period did he ride fastest?