A type of inheritance in which the phenotypes of the heterozygote and dominant homozygote are the same.

a) codominance
b) incomplete dominance
c) complete dominance
d) multiple alleles

Complete Dominance.

Explanation:

This is a rare form of dominance where the heterozygous condition wherein the allele that is regarded as dominantly complete; masking the reactions of the allele that is recessive. Say an individual possessing two alleles that are both dominant, the trait that they represent will be expressed. But if the individual has two alleles in such a way that one is dominant and the other one is recessive, the dominant allele will be expressed while the recessive allele will be suppressed. Hence, the heterozygote will carry the same phenotype as that of the dominant homozygote.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

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