You would expect a 3:1 ratio of dominant to recessive.
Two heterozygous, or hybrid, organisms with the genotypes, say, Aa, could yield these 4 offspring: AA, Aa, Aa, and aa. The first 3 have dominant phenotypes, and the last has recessive.
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Answer:
Both parents
Explanation:
Punnett squares will show that for each trait (eye color, hair color, hair type, etc.) there are <u>at least</u> 3 different options (for a 2x2 Punnett square). I've also seen 4x4 Punnett squares where two traits are used.
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1. Exchange materials with its environment efficently