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Question
Name the following:
The study of heredity and variation.
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Solution
Genetics
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RELATED QUESTIONS
Mutation alerts the hereditary material. Give reasons.
Differentiate between genotype and phenotype.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Complete the following sentence with appropriate word:
______is the hereditary unit.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Multiple choice question.
Phenotypic ratio of incomplete dominance in Mirabilis jalapa.
A recessive factor is altered by the presence of a dominant factor.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
Alleles refer to ____________.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
Define Alleles.
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 |
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
Name any two genetic diseases in humans.
