1847929
Description
Flashcards by leanna_hdg, updated more than 1 year ago
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Created by leanna_hdg
almost 11 years ago
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| Question | Answer |
| Dominance | (type of inheritance) dominant trait is exhibited ex. tongue roll |
| Incomplete Dominance | (type of inheritance) 3rd phenotype is expressed from the heterozygous condition ex. red flower + white flower crossed to produce pink flower |
| Codominance | (type of inheritance) both alleles are dominant + expressed ex. red cow + white cow crossed to produce roan cow |
| Polygenic | (type of inheritance) multiple allelic pairs are involved to determine phenotype ex. dihybrid cross with the hair type allele (curly/str8), and the hair color allele (blond/brown) |
| Linked Genes | genes that are located on the same chromosome *only separated by crossing over* |
| Sex Linked Genes | genes located on the x/y chromosomes ex. hemophelia, colorblindness (on x chromosome) |
| Epistasis | expression of one gene is affected by another gene ex. pigment gene needed to express any skin, hair, eye, color genes ---> IF NO PIGMENT: ALBINO |
| Pleitropy | one gene may cause multiple effects ex. sickle cell anemia --> circulatory probs -> heart probs -> liver probs |
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