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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mendel experimented upon plants of Oryza sativa.
विकल्प
True
False
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उत्तर
False
Correct Statement: Mendel experimented with plants of Pisum sativum.
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संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
What is crossing-over? What are the factors affecting it?
Explain the Term Heredity.
Explain the Term Dominance.
Explain the term Alleles.
Give Technical Term:
Cell organelle directly involved in genetics.
Give Technical Term:
A virus with DNA as heredity material.
Give Technical Term:
The individuals having dissimilar pairs of genes.
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Write the functional activity of the following structure:
Genes
Choose the Odd One Out
A recessive factor is altered by the presence of a dominant factor.
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 ______
Define Alleles.
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 |
Mendel was successful in his experiments because:
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)
Which one of the following character is recessive in case of a pea plant?
