1. The appearance of an organism is its
a genotype.
c. genotypic ratio.
b. phenotype.
d. phenotypic ratio.
______ 2. A monohybrid cross of two individuals that are heterozygous for a trait exhibiting complete dominance would probably result in a phenotypic ratio of
a. dominant : 0 recessive.
c. 3 dominant : 1 recessive.
b. 1 dominant : 3 recessive.
d. 1 dominant : 1 recessive.
______ 3. To determine the genotype of an individual that shows the dominant phenotype, you would cross that individual with one that is
a. heterozygous dominant.
c. homozygous dominant.
b. heterozygous recessive.
d. homozygous recessive.

______ 4. In a dihybrid cross between an individual with the genotype RRYY and an individual with the genotype rryy, all of the offspring will have the genotype
a. RRYY.
c. RrYy.
b. RrYY.
d. rryy.

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1 Explanation A phenotype is an individuals observable traits such as height eye color and blood type The genetic contribution to the phenotype is cal... View the full answer