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प्रश्न
Define – Incomplete dominance.
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उत्तर
Incomplete dominance is a genetic phenomenon in which neither of the two alleles that determine a particular trait is completely dominant over the other, resulting in an intermediate phenotype that is a blend of the two.
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संबंधित प्रश्न
The three principles of Mendelism are
_______________ is interaction between two alleles which are present on the same gene locus of two homologous chromosomes.
In Mendelian monohybrid cross, phenotypic ratio in F2 is 3: 1. Find out the types of gametes formed by F1 generation.
In cattle, when red one is crossed with a white, an intermediate roan coloured offspring is formed in the F1 generation. When selfing of the F1 generation was carried, the result obtained was ______
______ becomes half-moon-shaped in a person suffering from sickle cell anaemia.
Calculate the the birth rate of cattle per year in a dairy farm; where there were a total of 45 cattles previously. 5 new offsprings were added due to reproduction taking the total population to 50.
Assertion (A): In Mirabilis jalapa (4 o'clock plant), a cross between Red flowered plant and White-flowered plant (both homozygous) produced Pink flowered plant in F1 generation.
Reason (R): In this plant, flower colour is controlled by pleiotropic genes
______ occurs when heterozygotes express both homozygous phenotypes equally.
Write a note on incomplete dominance.
Fill in the blanks:
| Column 'A' (Gene interactions) |
Column 'B' (Example) |
|
| (1) | Co-dominance | ______ |
| (2) | Incomplete dominance | ______ |
| (3) | Multiple allelism | ______ |
| (4) | Pleiotropy | ______ |
| (5) | Polygenes | ______ |
| (6) | Autosomal dominance | ______ |
