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12 Cards in this Set
- Front
- Back
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Syntenic genes |
Genes which are placed on the same chromosome but in different hands or sufficiently spaced |
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Polygenic inheritance |
1 characteristic but multiple genes influencing it's expression. Eg : skin color , eye color , hieght etc . |
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J . G kölreuter |
▪carried out artificial pollination ▪ reciprocal mating |
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J . B Lamarck |
▪ gave us the theory of soft inheritance ▪ theory of inheritance of acquired characteristics |
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Sex determination in grasshoppers |
XX / XO |
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Sex determination in birds , reptiles |
ZZ ( male ) / ZW ( female ) |
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Sex determination in turtles |
Thermosensitivity Cool nests - males Warmer nests - female |
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Sex determination in Bonellia Viridis |
Locomotion dependent Contact with males gives female n vice versa |
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Sex determination in clown fish |
Dominant fish turns female |
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Sex determination in clown fish |
Dominant fish turns female |
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Sex determination in snails |
They can change thier gender as per thier convenience |
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Sex limited genes |
Genes on autosomes , but thier expression is influenced by hormones produced by X or Y chromosomes |
