Question
What is meant by ozone hole? Which unit is used for measuring ozone thickness?
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Answer
- Ozone layer is a protective shield in stratosphere. Its depletion over a part of the atmosphere is called ozone hole which will result in an increased UV radiations reaching the earth surface.
- Dobson Units (D.U.)
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In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white colour. When a tall plant bearing red flowers was pollinated by a dwarf plant bearing white flowers, the different phenotypic groups were obtained in the progeny.
Tall, Red = 138
Tall, White = 132
Dwarf, Red = 136
Dwarf, White= 128
Mention the genotypes of the two parents and of the types of four off springs. in numbers mentioned against them.
Tall, Red = 138
Tall, White = 132
Dwarf, Red = 136
Dwarf, White= 128
Mention the genotypes of the two parents and of the types of four off springs. in numbers mentioned against them.
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