The expected result of the offspring produced from a cross of two parents, HH xHh will be offspring red hair. These offspring will be in proportion 1:1 (1 Hh: 1 HH).
In diploid organisms, an individual inherits two alleles for a given gene locus, one from the mother and the other from the father.
A homo-zygous individual has the same allele for a given gene locus, whereas a heterozygous individual has two different alleles.
In complete dominance, the dominant allele completely masks the recessive allele in heterozygous individuals.
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