The famous double helix model of DNA was proposed by Watson and Crick in ____ and they shared Nobel Prize for Physiology or Medicine in ________ for their effort.

1.1951, 19712.1943, 1963
3.1953, 19624.1969, 1972

Subtopic:  Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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A plant, on repeated self-pollination, preserves the trait expressed for many generations. Such a plant is said to be:

1. Panmictic 2. Homologous
3. Apomictic 4. Pure line
Subtopic:  Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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Which of the following is a recessive trait for a character chosen by Mendel in garden pea?

1.Violet flower colour2.Yellow pod colour
3.Axial flower position4.Tall stem height

Subtopic:  Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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Which of the following is a recessive trait in Pisum sativum?

1. Yellow pod color 2. Axial flower position
3. Inflated pod shape 4. Violet flower color
Subtopic:  Introduction to Genetics: 2 |
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If Mendel might have studied 7 pairs of characters in a plant with 12 chromosomes instead of 14 then:

1. He could not discover an independent assortment
2. He might have discovered linkage
3. He might have discovered crossing over
4. He might have not observed dominance
Subtopic:  Introduction to Genetics: 2 |
AIPMT - 1998

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