Short Answer TypeWith the help of one example, explain the phenomena of co-dominance and multiple allelism in human population.
Write the scientific name of the fruit-fly. Why did Morgan prefer to work with fruit-flies for his experiments? State any three reasons.
Linkage or crossing-over of genes are alternatives of each other. Justify with the help of an example.
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
How have transgenic animals proved to be beneficial in:
(a) Production of biological products
(b)Chemical safety testing.
Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship.
The fig tree and the wasp are onto a mutual relationship that shows the phenomenon of co-evolution. It mean that evolutions of the flower and its pollinator species are tightly linked with one another. The female wasps use the flower to lay egg and as a source of food for the larvae and pollinate the flowers in return.
Construct an age pyramid which reflects an expanding growth status of human population.
Make a list of any three out breeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
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