Our Environment and its Components
Man has been living on this earth for many thousands of years. He is surrounded by various life forms, forces and conditions- both physical and biRead More…
Search Results for: reproduction
Questions and answers on Heredity/Bio- X
1. Trait-A exists in 10% of a population of an asexually reproducing species and trait-B in 60%of the same population. Which trait is likely toRead More…
Determination of sex in living organisms
Determining male or female form of living organism through sexual reproduction is called as sex determination. Sex determination on a large scale is Read More…
Heredity, Its Physical Basis and Variations
What is Heredity? Some specific characters are found in the parents of each species. These characters are transferred from generation to generatioRead More…
Inheritance of Genetic Characters
Parental traits are transferred from one generation to other generation by means of chromosomes, DNA, or Genes. I. Chromosome The filamentous sRead More…
Mendel’s Laws of Inheritance
On the basis of his experiments of hybridization Mendel proposed following rules of heredity – 1. Law of Paired Factors Traits of each indiviRead More…
Heredity, its basis and Variations
Some specific characters are found in the parents of each species. These characters are transferred from generation to generation through the processRead More…
Human Reproductive Health
A. What is Reproductive Health? The physical and mental conditions that collectively affect the reproductive capacity of a male or a female Read More…
Vegetative Propagation of Plants
When a new plant is developed or caused to develop through stem, root or leaf the method is called as vegetative reproduction. In other words, vegetaRead More…
Characteristics of Animals
The term animal has its origin from the Latin word animalis which means one who has breath. This word is usually applied for the non-human membersRead More…