Attached earlobes are a recessive trait in humans. In the tree below people with attached earlobes are shaded in. Which best describes the person
labeled X in the tree?
A. A female with one recessive allele
B. A male with one recessive allele
C. A female with no recessive alleles
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D. A male with no recessive alleles

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?