Barbara has curly hair. her genotype for this trait is cc. what do you infer from this?
a. the two alleles of the gene are homozygous dominant.
b. the two alleles of the gene are homozygous recessive.
c. one allele is dominant and the other is recessive.

A. The two alleles of the gene are homozygous dominant. Alleles can either be dominant or recessive. When an allele is dominant it is represented by a capital letter and when it is recessive it is resprented by a lower case letter. Homozygous means "the same", so in this cause she has two dominant alleles. If she was homozygous recessive the genotype for her allele for that trait would be cc.

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