Incomplete Dominance, Codominance by the Amoeba Sisters on YouTube
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Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis by the Amoeba Sisters on YouTube
1. Traits that do not follow basic rules of dominant and recessive traits, such as incomplete and codominance. *
1 point
2. The dominant allele is not completely expressed when the recessive allele is present. The dominant and recessive traits mix together to form the phenotype.  *
1 point
3. Alleles work together and are both present in equal amounts in the phenotype. *
1 point
4a. Chicken feathers can be found in white, black, or speckled white and black. This trait is an example of... *
1 point
Captionless Image
4b. How should the alleles for chicken colouration be written? *
1 point
5a. Flower petals in snapdragons can be found in white, pink, or red. This trait is an example of... *
1 point
Captionless Image
Explain your reasoning for question 5a.  *
5b. How should the alleles for flower colour be written? *
1 point
6a. Peas can be found in only two traits, wrinkled or smooth. This trait is an example of... *
1 point
Captionless Image
6b. How should the alleles for pea shape be written? *
1 point
7a. Horses' coats can be found in brown, white, or roan (both brown and white hairs together). This trait is an example of... *
1 point
Explain your reasoning for question 7a. *
7b. How should the genotype of a heterozygote roan horse be written? *
1 point
8. Compare and contrast codominance with incomplete dominance, in your own words, with examples. *
Image Credits
Flowers: https://commons.wikimedia.org/w/index.php?search=incomplete+dominance&title=Special:Search&profile=advanced&fulltext=1&advancedSearch-current=%7B%7D&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1&searchToken=2rwukf3b04gur6j9dc1dkapnb#%2Fmedia%2FFile%3AINCOMPLETE_DOMINANCE.jpg 

Chicken: https://commons.wikimedia.org/w/index.php?search=speckled+chicken&title=Special:Search&profile=advanced&fulltext=1&advancedSearch-current=%7B%7D&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1&searchToken=9xqkmgch8ghgwat7z40ztn7sx#%2Fmedia%2FFile%3ASpeckled_Sussex_Chicken.jpg

Peas: https://commons.wikimedia.org/w/index.php?search=pea+plant&title=Special:Search&profile=advanced&fulltext=1&advancedSearch-current=%7B%7D&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1&searchToken=1bblv046l084qzegb0xp9a5q9#%2Fmedia%2FFile%3APeas_in_pods_-_Studio.jpg

Labs: https://commons.wikimedia.org/w/index.php?title=Special:Search&limit=20&offset=20&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1&search=Labrador+Retrievers&advancedSearch-current={}#/media/File:Labrador_punnett.png
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