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Question
Write the functional activity of the following structure:
Genes
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Solution
Carries parental characters to offsprings.
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RELATED QUESTIONS
What is a gene? How is it related to heredity?
- A pure tall plant (TT) is crossed with a pure dwarf plant (tt). Draw Punnett squares to show
- F1, generation
- F2 generation.
- Give the phenotype of F2 generation.
- Give the phenotype and genotypic ratios of the F1 and F2 generations.
Explain the Term Variation.
Name the following:
The study of heredity and variation.
Name the following:
The genetic composition of an organism.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Most genetic diseases in man are recessive in character.
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.
Choose the Odd One Out
Choose the Odd One Out
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Which one of the following is back cross?
Give any two points of difference between homozygous and heterozygous.
Hybrid is an offspring from a cross between genetically different parents.
Which one of the following genotype will yield only one type of gamete?
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 |
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
In which region of chromosomes does crossing over take place?
