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Heredity and Evolution

Does geographical isolation of individuals of a species lead to formation of a new species? Provide a suitable explanation.

07/11/2024

Science

10th

Heredity and Evolution

A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.

07/11/2024

Science

10th

Heredity and Evolution

Why did Mendel choose pea plant for his experiments?

07/11/2024

Science

10th

Heredity and Evolution

Give the pair of contrasting traits of the following characters in pea plant and mention which is dominant and recessive
(i) yellow seed (ii) round seed

07/11/2024

Science

10th

Heredity and Evolution

Does the occurrence of diversity of animals on earth suggest their diverse ancestry also? Discuss this point in the light of evolution

07/11/2024

Science

10th

Heredity and Evolution

What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?

07/11/2024

Science

10th

Heredity and Evolution

A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation

07/11/2024

Science

10th

Heredity and Evolution

In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation.

07/11/2024

Science

10th

Heredity and Evolution

Why do all the gametes formed in human females have an X chromosome?

07/11/2024

Science

10th

Heredity and Evolution

Mention three important features of fossils which help in the study of evolution.

07/11/2024

Science

10th