EASY

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Mendel has chosen .................. pod colour as dominant and ................. as recessive in garden peas.

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Important Questions on Heredity and Variation

EASY

Biology>Genetics and Evolution>Heredity and Variation>Mendelian Genetics

A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the

F_{1}

plants were selfed the resulting genotypes were in the ratio

EASY

Biology>Genetics and Evolution>Heredity and Variation>Mendelian Genetics

The number of contrasting characters studied by Mendel for his experiments was:

EASY

Biology>Genetics and Evolution>Heredity and Variation>Mendelian Genetics

Which of the following characters not studied by Mendel in his Pea plant experiment?

MEDIUM

Biology>Genetics and Evolution>Heredity 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>Heredity and Variation>Mendelian Genetics

In his classic experiments on pea plants, Mendel did not use:

MEDIUM

Biology>Genetics and Evolution>Heredity and Variation>Mendelian Genetics

What is the possible genotypic ratio in

F_{2}

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>Heredity 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>Heredity and Variation>Mendelian Genetics

Mendel's work remains unrecognized because of the following reasons except ______

EASY

Biology>Genetics and Evolution>Heredity and Variation>Mendelian Genetics

Which one from those given below is the period for Mendel's hybridization experiments?

EASY

Biology>Genetics and Evolution>Heredity 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>Heredity 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>Heredity 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>Heredity 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>Heredity 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