Genetics and Heredity Notes Review

What is a gene?

• A type of cell

• A short segment of DNA

• A type of protein

• A type of trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the observable characteristic determined by the genotype called?

• Genotype

• Allele

• Phenotype

• Chromosome

If an individual inherits two of the same allele (like aa or AA), what is it called?

• Heterozygous

• Dominant

• Recessive

• Homozygous

What is the genetic makeup of an individual known as?

• Phenotype

• Genotype

• Chromosome

• Allele

What is genetics the study of?

• Animals

• Plants

• Traits

• Rocks

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What are the thread-like structures inside the nucleus of a cell called?

• Proteins

• Chromosomes

• Cells

• Atoms

Tags

NGSS.HS-LS3-1

What is a gene?

• A type of cell

• A short segment of DNA

• A type of protein

• A molecule of water

Tags

NGSS.HS-LS3-1

What do genes contain instructions to make?

• Water

• Proteins

• Rocks

• Air

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

How are dominant alleles expressed?

• Only if two copies are present

• Expressed when present and with a capital letter

• Shown as lowercase letters

• Never expressed

What is the observable characteristic determined by the genotype called?

• Genotype

• Chromosome

• Phenotype

• Allele