Biology, Wednesday Exit Ticket 1.23.19

The passing of traits from parents to offspring

• heredity

• dominant allele

• recessive allele

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

An allele whose trait always shows up in an organism when it is present.

• heredity

• dominant allele

• recessive allele

• genotype

• phenotype

An allele that is hidden whenever the dominant allele is present.

• heredity

• dominant allele

• recessive allele

• genotype

• phenotype

An organisms genetic makeup or allele pairings.

• heredity

• dominant allele

• recessive allele

• genotype

• phenotype

An organisms physical traits or visual appearance.

• heredity

• dominant allele

• recessive allele

• genotype

• phenotype

Threadlike structures within a cell’s nucleus contain DNA that is passed from one generation to the next.

• chromosome

• cell cycle

• pedigree

• meiosis

• Mitosis

Tags

NGSS.HS-LS3-1

Sex cells (sperm and egg) are formed through a very specialized process

• chromosome

• cell cycle

• pedigree

• meiosis

• Mitosis

According to the gene-chromosome theory, which statement is true?

• Genes are present only on human chromosomes.
• Genes are arranged in a linear sequence on a chromosome.
• Only one gene is needed to express a trait.
• Mutations occur only in sex cells.