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
Does the occurrence of diversity of animals on earth suggest their diverse ancestry also? Discuss this point in the light of evolution
What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?
A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation
In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation.
Mention three important features of fossils which help in the study of evolution.
Do genetic combination of mothers play a significant role in determining the sex of a new born?
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