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प्रश्न
What is a gene? How is it related to heredity?
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उत्तर
Genes are hereditary units located on a chromosomal thread. A gene can be defined as the “ultimate unit of recombination, mutation, and self-reproduction”. They are responsible for various characteristics externally shown by the plants and animals. A single gene may affect one or more characteristics of offsprings.
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संबंधित प्रश्न
Mutation alerts the hereditary material. Give reasons.
Differentiate between genotype and phenotype.
Explain the Term Mutation.
Explain the Term Heterosome.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
A virus with DNA as heredity material.
Give Technical Term:
The individuals having dissimilar pairs of genes.
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:
Upon _______the diploid condition is restored.
A recessive factor is altered by the presence of a dominant factor.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
Which of the following is the number of alleles for blood group in an individual?
In which region of chromosomes does crossing over take place?
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
Define the following term:
Gene
Name any two genetic diseases in humans.
