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

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

Number and variety of living organisms includes genetic, species, and ecological types

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?