What is heredity? - Science

One Line Answer

Define heredity.

What is heredity?


Solution 1

Heredity is defined as the transfer of biological characters from one generation to another via genes.

Solution 2

The transmission of characters from the parents to their offsprings is called heredity. 

Concept: Heredity
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Chapter 4: Heredity and Evolution - Exercise 1 [Page 192]


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How did Mendel interpret his results to show that traits may be dominant or recessive? Describe briefly.

A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?

How did Mendel explain that it is possible that a trait is inherited but not expressed in an organism?

What constitutes the link between one generation and the next?


Mendel said that the characteristics or traits of organisms are carried from one generation to the next by internal factors which occur in pairs. What is the modern name for these factors?

What type of plants were used by Mendel for conducting his experiments on inheritance?

How do Mendel's experiments show that traits are inherited independently?

When two parents are crossed, the offspring are referred to as :
 test cross
 F1 generation
 F2 generation

Which of the following statement is incorrect?
(a) for every hormone there is a gene
(b) for every protein there is a gene
(c) for production of every enzyme there is a gene
(d) for every type of fat there is a gene

In humans, if gene B gives brown eyes and gene b gives blue eyes. What will be the colour of eyes of the persons having the following combination of genes?
(a) Bb
(b) bb
(c) BB

Explain the mechanism of hereditary changes.

Hereditary characters are transferred from parents to offspring by ______ hence they are said to be structural and functional units of heredity.

Define Heredity. Give two examples.

Who is the pioneer of modern genetics?

Write advantages of science of heredity.

____________ refers to the transmission of genetic information from parental generation to next generation.

What are the components of the DNA molecule?


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