Genetics Vocabulary

What is the term used to describe the physical appearance or visible traits of an organism?

• Genotype

• Phenotype

• Chromosome

• Allele

Which of the following is a structure that contains DNA and is found in the nucleus of cells?

• Allele

• Genotype

• Chromosome

• Phenotype

What is the term for different forms of a gene that can exist at a specific locus?

• Chromosomes

• Alleles

• Phenotype

• Genotype

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 masks the presence of another allele for the same gene?

• Recessive

• Dominant

• Homozygous

• Heterozygous

Which type of allele is expressed only when two copies are present?

• Dominant

• Recessive

• Homozygous

• Heterozygous

What is the genetic makeup of an organism called?

• Phenotype

• Genotype

• Chromosome

• Allele

Which tool is used to predict the possible genotypes of offspring from a particular genetic cross?

• Chromosome Chart

• Punnett Square

• Genetic Wheel

• Allele Grid

Any change in the sequence of DNA is...

• transgenic shift
• Single Genotype
• Monohybrid Trait
• Mutation

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2