19-2 Genetics2

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1 Genetics Since Mendel

1. With 2 alleles present both sets can be dominant and is called : 

2 1. With 2 alleles present both sets can be dominant and is called

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3 2. Combining two dominant alleles can give a blend of the phenotype.

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4 3. Blended phenotypes can cross and give more combinations

Incomplete Dominance : 

5 Incomplete Dominance

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6 4. 2 alleles can also show Codominance when both phenotypes will show separately

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7 5. Multiple Alleles happen when there are more than two alleles for one trait

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8 6. Multiple alleles can have codominance

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9

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10

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11 7. Multiple alleles affect skin color, hair color in humans and also …

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12 Eye color

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13

One Gene, Many TraitsThe same gene controls eye color (blue) and fur color (white & Black) : 

14 One Gene, Many TraitsThe same gene controls eye color (blue) and fur color (white & Black)

Asexual reproduction : 

15 Asexual reproduction There are no egg and sperm cell involved. Example: budding

Asexual reproduction : 

16 Asexual reproduction There is no genetic variation so that the offspring are clones (identical) of the parents