Question # 1

The idea of endosymbiont hypothesis was first proposed by:

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Lynn marguils

Wallace

Karlene Schwartz

Lamarck

Darwin proposed a mechanism for evolution, which he termed

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Natural selection

Special reaction

Adaptation

Descent with modification

Normal fruit flies have :

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White eyes

Bright red eyes

Light red eyes

Black eyes

The change in frequency of alleles at a locus that occurs by chance is called :

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genetic drift

genetic change

gene mutation

gene frequency

What is the risk of a colour blind child in a family when mother is colour-blind but father is normal?

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100%

75%

50%

25%

Essay on "Principles of geology" was published by

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Wallace

Malthus

Lyell

Cuvier

Armadillos, the armoured mammals live only in :

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Asia

Europe

America

Africa

Allele for whiteness in Drosophila is :

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Recessive

Codominant

Dominant

Partially Dominant

An exchange of segments between non-sister chromatids of homologous chromosomes during meiosis is termed as :

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Crossing over

Hopping

Taking over

Segregation

Gene pool consists of all alleles at all gene loci in all individuals of the:

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community

species

population

family

Ultimate source of all changes is :

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Mutation

Genetic drift

Evolution

Migration

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MDCAT Biology Chapter 11 Reproduction Online Test MCQs With Answers

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