The traits of a certain dolphin are shown.
Which of these traits is not inherited?
OPTIONS
Blowhole, for breathing
Long, rounded snout
Broad, flat tail
Scars from motor boat
Which statement explains the role of genes in the process of inheriting a specific trait?
OPTIONS
Genes are changed by the environment of a living thing, and these changes affect the genes of their offspring.
Genes in living things come together to make chromosomes, which take information from offspring to parent.
Genes, which are passed from both parents, carry the genetic material that determines inherited traits.
Genes absorb chemicals from the bloodstream and carry them throughout the body of parents and offspring.
The genetic makeup of an individual, including the exact versions of each gene they carry, is called the genotype. A mother has curly hair, and the father has straight hair. Their offspring has curly hair. Which of the following must be true regarding the genotype that codes for hair?