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प्रश्न
Give any two points of difference between homozygous and heterozygous.
उत्तर
| No. | Homozygous | Heterozygous |
| 1. | Organisms having identical alleles for a character are homozygous. | Organisms having dissimilar alleles for a character are heterozygous. |
| 2. | It is pure or true breeding. | It is hybrid (Does not breed true). |
| 3. | They form only one type of gamete. | They form more than one type of gametes. |
| e.g. | Tall (TT), Dwarf (tt). | Tall (Tt) |
संबंधित प्रश्न
Choose the correct answer:
Mendel was born in __________
Name the following:
The study of heredity and variation.
Write the functional activity of the following structure:
Autosomes
Choose the Odd One Out
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
Parents of blood group i and AB cannot have a child of blood group AB because ______.
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 |
