Understanding Genetics and Inheritance

What is the term used to describe a variation of a gene?

• Genotype

• Allele

• Phenotype

• Chromosome

Tags

NGSS.HS-LS3-2

Which term refers to the genetic makeup of an organism?

• Phenotype

• Genotype

• Allele

• Trait

Tags

NGSS.HS-LS3-1

What is the observable, physical characteristic or trait of an organism called?

• Genotype

• Allele

• Phenotype

• Gene

Which type of allele is expressed in the phenotype even if only one copy is present?

• Recessive

• Dominant

• Homozygous

• Heterozygous

What do you call an organism that has two identical alleles for a trait?

• Heterozygous

• Homozygous

• Dominant

• Recessive

Which term describes an organism with two different alleles for a particular trait?

• Homozygous

• Heterozygous

• Dominant

• Recessive

What is the term for an allele that is only expressed in the phenotype when two copies are present?

• Dominant

• Recessive

• Homozygous

• Heterozygous

Which term refers to the genetic material inherited from the mother?

• Paternal

• Maternal

• Dominant

• Recessive

What is the term for the genetic material inherited from the father?

• Maternal

• Paternal

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

• Homozygous

• Heterozygous

• Dominant

• Recessive