The shaded individuals in the pedigree diagram below have a recessive trait called attached earlobes.
1.
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II
The person labeled A is best described as:
A. a male with at least one dominant allele.
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B. a female with at least one dominant allele.
C. a male with two dominant alleles.
D. a female with two dominant alleles.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

i believe your answer would be c.. : )