Advertisements
Advertisements
Question
What is the difference between a breed and a species? Give an example for each category.
Solution
A breed is a specific group of animals or plants having a homogenous appearance, behaviour and other characteristics that distinguish if from other animals or plants of the same species e.g., Afghan shepherd and American bulldog are breeds of dogs. Species is one of the basic units of biological classification and a taxonomic rank, it can be defined as the largest group of organisms capable of interbreeding and producing fertile offspring e.g., loin, cow, dog are species.
APPEARS IN
RELATED QUESTIONS
What is the breed?
Name two maize hybrids rich in amino acid lysine
Higher Order Thinking Skill (HOT)
A breeder wishes to incorporate desirable characters into the crop plants. Prepare a list of characters he will incorporate
Competition between cow, horse and deer for getting grass as food is called ______.
What will happen when a fresh water protozoan is placed in marine water?
A group of animals which are related by descent and share many similarities are referred to as ______.
A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement
- Mating of closely related individuals within the same breed
- Mating of animals of same breed but having no common ancestors on either side for 4-6 generations
- Mating of animals of two different species
- Breeding of animals belonging to different breeds
- Cross breeding
- Inter-specific hybridization
- Out breeding
- Out crossing
- Inbreeding
Interspecific crosses are rare in nature and intergeneric crosses almost unknown. Why?
Discuss briefly how pure lines are created in animal husbandry.
‘Modern methods of breeding animals and plants can alleviate the global food shortage’. Comment on the statement and give suitable examples.