EASY
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_____ are the number of genotypes represented only once in Mendelian dihybrid F2 generation.

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Important Questions on Principles of Inheritance and Variation

EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
The number of contrasting characters studied by Mendel for his experiments was:
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Which of the following characters not studied by Mendel in his Pea plant experiment?
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Choose the correct statement
I) Alleles are unable to blend with other.
II) Genes are units of inheritance and alleles are slightly different forms of the same genes.
III) Mendel laws could be able to provide physical proof for the existence of genes (factors).
IV) Genes occurs in pairs and one pair segregate independently of another pair.
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
In his classic experiments on pea plants, Mendel did not use:
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
What is the possible genotypic ratio in F2 generation if a plant producing red flowers RR is crossed with another plant of the same species that produces white flowers rr?
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
In human beings, brown eye (B) is dominant over blue eye (b). A brown-eyed couple has a blue-eyed child. What are the possible genotypes of the couple?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Mendel's work remains unrecognized because of the following reasons except ______
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Which one from those given below is the period for Mendel's hybridization experiments?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Among the following characters, which one was not considered by Mendel in his experiments on pea?
HARD
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
A cross wạs carried out between two individuals, heterozygous for two pairs of genes. Assuming segregation and independent assortment, the number of different genotypes and phenotypes obtained respectively would be
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Which among the following characters selected by Mendel in a pea plant is a recessive character?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
A pure breeding pea plant with round yellow seeds was crossed with pea plant having wrinkled green seeds. On selfing of F1, hybrid of his cross, 64 progenies were obtained in F2 generation. Find out the number of F2 progenies showing non-parental characters.
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
The production of gametes by the parents, formation of zygotes, the F1 and F2  plants, can be understood from a diagram called:
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
In 'Mendel' dihybrid cross, which of the following result was obtained in F2 generation?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Which of the following character is ignored or not noticed by Mendel in garden pea?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
According to Mendel, ........................ segregate and ..................... assort independently.
HARD
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Mendelian Genetics
Who is known as the father of Genetics?