Advertisements
Advertisements
प्रश्न
What is a gene? How is it related to heredity?
Advertisements
उत्तर
Genes are hereditary units located on a chromosomal thread. A gene can be defined as the “ultimate unit of recombination, mutation, and self-reproduction”. They are responsible for various characteristics externally shown by the plants and animals. A single gene may affect one or more characteristics of offsprings.
APPEARS IN
संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
Choose the correct answer:
Mendel was born in __________
State Mendel’s Law of Dominance.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Heredity.
Explain the Term Mutation.
Explain the Term Heterosome.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Multiple Choice Question
Genetics is a branch of biology dealing with:
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
Which one of the following genotype will yield only one type of gamete?
Parents of blood group i and AB cannot have a child of blood group AB because ______.
