Please select a subject first
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If two individuals with blood group 'AB' marry and have sufficiently large number of children, these children could be classified as 'A' blood group : 'AB' blood group: 'B' blood group in 1 : 2 : 1 ratio. Modem technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of ______.
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All are post zygotic barriers, EXCEPT
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Which theory provides explanation for both natural selection as well as mutation?
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_______________ is interaction between two alleles which are present on the same gene locus of two homologous chromosomes.
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Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Ecological isolation | a. | Sexually mature at different times of the year |
| ii. | Ethological isolation | b. | Specific mating behaviours |
| iii. | Mechanical isolation | c. | Difference in structure of mating organs |
| iv. | Seasonal isolation | d. | Same geographic region but separate habitat |
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Which of the following statements is TRUE for Wernicke's area?
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At which pH does optimum activity?
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Which of the following is TRUE for zygote mortality?
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What is the other name for auditory nerve?
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Identify the INCORRECT statement.
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Which lobe is responsible sensation of pain?
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______ changes the genes rearrangement (order or sequence) resulting in variation.
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Which of the following is CORRECT with respect to vital capacity?
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How many pairs of cervical spinal nerves are present in humans?
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Identify the enzyme responsible for conversion of starch to maltose.
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Sickle cell anaemia can be lethal in ____________ condition.
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Maltose is composed of ______.
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Which of the following is the CORRECT difference between genetic drift and natural selection?
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The change in gene and gene frequencies caused due to various aspects like mutation recombination and migration is called ______.
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In Mendelian monohybrid cross, phenotypic ratio in F2 is 3: 1. Find out the types of gametes formed by F1 generation.
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