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प्रश्न
State Mendel’s Law of Dominance.
उत्तर
Law of Dominance: Out of a pair of contrasting characters present together, one is able to express itself while the other remains suppressed.
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संबंधित प्रश्न
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
Give the significance of mutation.
Mutation alerts the hereditary material. Give reasons.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Variation.
Explain the Term Dominance.
Explain the Term Heterosome.
Give Technical Term:
A virus with DNA as heredity material.
Complete the following sentence with appropriate word:
______is the hereditary unit.
Write the functional activity of the following structure:
Genes
Write the functional activity of the following structure:
Autosomes
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
A pea plant with the genotype YyRr is crossed with another pea plant with the genotype yyrr. The expected phenotypic ratio of individuals formed will be ______
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Match the items given in Column I with those listed in Column II. Choose the answer with correct combination of alphabets of the two columns.
| Column I | Column II |
| A. Monohybrid cross | 1. T and t |
| B. Test cross | 2. TT |
| C. Alleles | 3. TT × tt |
| D. Homozygous tall | 4. tt |
| 5. Tt × tt |
In which region of chromosomes does crossing over take place?
