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Question
State Mendel’s Law of Dominance.
Solution
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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RELATED QUESTIONS
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
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Explain the Term Dominance.
Explain the Term Crossing-over.
Give Technical Term:
The individuals having dissimilar pairs of genes.
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______is the hereditary unit.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Genes are responsible for genetic characters.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A female is responsible for the sex of the progeny.
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Mendel experimented upon plants of Oryza sativa.
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Autosomes
Choose the Odd One Out
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
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 |
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
A typical dihybrid cross is carried outbetween true breeding plant with yellowround seeds and a true breeding plant withgreen wrinkled seeds. With appropriatesymbol write the genotypes of —
- Homozygous dominant and recessive parents.
- Gametes produced by both the parents.
- Gametes produced by the F, hybrid. (3)
