Make a table showing characters of pea selected by Mendel. from B

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 Multiple Choice QuestionsShort Answer Type

21. How will you find out whether a given plant is homozygous dominant or heterozygous dominant ? Explain
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22. A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced ?
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23. Who proposed the chromosomal theory of inheritance ?
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 Multiple Choice QuestionsShort Answer Type

24. What are the two causes of variations in DNA?
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25. What is the importance of variations ?
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26. How did Mendel make sure that the plants were true breeding ?
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27. Make a table showing characters of pea selected by Mendel.


Characters of garden (Pisum sativum) selected by Mendel:


Character  Dominant 
Trait
Recessive
Trait 
1. Plant height Tall  Dwarf
2.Seed shape Round  Wrinkled
3. Seed colour Yellow Green
4. Pod shape  Full Constricted
5. Pod colour Green  Yellow
6.Flower position Axial Terminal
7.Flower colour Violet  White


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 Multiple Choice QuestionsLong Answer Type

28. Mention the advantages of selecting pea plant for experiment by Mendel.
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 Multiple Choice QuestionsShort Answer Type

29. Differentiate between the following :

(a) Dominance and Recessive

(b) Homozygous and heterozygous

(c) Monohybrid and dihybrid.

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 Multiple Choice QuestionsLong Answer Type

30.

Explain the law of dominance using a monohybrid cross.

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