GATE (Graduate Aptitude Test in Engineering) Ecology & Evolution (EY): Questions 32 - 34 of 455
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Question 32
Appeared in Year: 2019
Question MCQ▾
A Lod score of 3 represents a Recombination Frequency (RF) that is? (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 times as likely as the hypothesis of no linkage | |
b. | 30 times as likely as the hypothesis of no linkage | |
c. | 100 times as likely as the hypothesis of no linkage | |
d. | 1000 times as likely as the hypothesis of no linkage |
Question 33
Appeared in Year: 2019
Question MCQ▾
The Hardy-Weinberg principle states that allele frequencies in a population will remain constant over generations if certain assumptions are met:
1. Random mating
2. Mate choice
3. Small population size
4. Large population size
5. Lack of mutations
6. Directional selection
Which of the above factors will cause changes in allele frequencies over generations? (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,4 and 6 | |
b. | 2,4 and 6 | |
c. | 1,3 and 5 | |
d. | 2,3 and 6 |
Question 34
Appeared in Year: 2017
Question MCQ▾
The correct order of periods from Palaeozoic to Mesozoic era is (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Pliocene – Eocene - Oligocene – Silurian – cretaceous – carboniferous – Triassic – Jurassic – cretaceous | |
b. | Cambrian – Ordovician – Silurian – Devonian - carboniferous – Permian – Triassic – Jurassic – cretaceous | |
c. | Palaeocene – Eocene – Oligocene – Miocene – Pliocene – Pleistocene – Holocene | |
d. | Triassic – Jurassic – Cretaceous – Cambrian – Ordovician- Silurian – Devonian – carboniferous – Permian |