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प्रश्न
Explain the term Alleles.
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उत्तर
Alleles: Alleles are the alternative forms of the same gene. For example, tallness and dwarfism are the two alternative forms of a gene for height and are called alleles. Similarly, attached ear lobes and free ear lobes are alleles for the type of ear lobes.
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Name the following:
The genetic composition of an organism.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
Cell organelle directly involved in genetics.
Complete the following sentence with appropriate word:
The physical expression of genes is called _________.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Write the functional activity of the following structure:
Genes
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
What is allelomorph?
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
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 ______
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
Mendel was successful in his experiments because:
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
In which region of chromosomes does crossing over take place?
