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12th Odisha Board
IMPORTANT
Earn 100

Red (RR) Antirrhinum is crossed with white (rr) one. The F1 hybrid is pink. This is an example of:

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Important Questions on Heredity and Variation

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 1
In a dihybrid cross, in F2 generation, the parental types are far greater in number than the recombinants. This is due to
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 2
Name a pair of Mendelian factors (genes) that appear at a particular location on a particular chromosome and control the same characteristic.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 2
Phenomenon where in the heterozygous condition an intermediate phenotype is observed.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 2
Name the phenomenon of a single gene contributing to multiple phenotypic traits.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 2
Genes which move together and do not show independent assortment are known as grouped genes or linked genes?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 2
A cross between the F1 hybrids with any one of the homozygous parents.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 3

Correct the following sentence with changing the underlined word/words:

The process of transmission of characters through generations is known as variation.

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 5 - Heredity and Variation>SAMPLE QUESTIONS>Q 3
In Mendel's monohybrid cross, the dwarf phenotype is always homozygous.