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प्रश्न
Explain the Term Variation.
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उत्तर
Variation: Occurrence of differences in the progeny of the same parents and individuals of the same species.
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संबंधित प्रश्न
Choose the correct answer:
Mendel was born in __________
Differentiate Between Homozygous shows Heterozygous.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Explain the Term Mutation.
Explain the Term Heterosome.
Complete the following sentence with appropriate word:
______is the hereditary unit.
Complete the following sentence with appropriate word:
In mammals, the female is homozygous while the male is _________.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Write the functional activity of the following structure:
Genes
Each gamete has only one allele of a gene.
Identify the genotype of peacock.
Alleles refer to ____________.
Two alternative forms of genes or alleles are located on ______.
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:
In which region of chromosomes does crossing over take place?
Which one of the following character is recessive in case of a pea plant?
What is dihybrid cross?
