Basic Genetics

What are genes?

• units that carry instructions for traits
• the study of heredity
• threadlike structures in the nucleus
• genetic material that makes up genes

Tags

NGSS.HS-LS3-1

What is genetics?

• The study of heredity.
• The unit of inheritance that carries instructions for traits.
• Structures in the nucleus that carry genes.
• Genetic materials that make up genes.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are chromosomes?

• the study of heredity
• units of inheritance that carry instructions for traits
• genetic material that makes up genes
• threadlike structures in the nucleus that carry genes

Tags

NGSS.HS-LS3-1

What is the meaning of homozygous?

• Combination of the same alleles
• Combination of different alleles
• Expressed with a single copy of the allele
• Requires two alleles to be expressed

Tags

NGSS.HS-LS3-2

What is the meaning of heterozygous?

• Combination of the same alleles
• Combination of the different alleles
• Expressed with a single copy of the allele
• Requires two alleles to be expressed

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Define the term - Dominant allele.

• Combination of the same alleles
• Combination of different alleles
• Expressed with a single copy of the allele
• Requires two alleles to be expressed

Tags

NGSS.HS-LS3-1

Define the term - Recessive allele.

• Combination of the same alleles
• Expressed with a single copy of the allele
• Combination of the different alleles
• Requires two alleles to be expressed

Tags

NGSS.HS-LS3-1

Define genotype.

• Genetic make-up of a trait.
• Physical expression of a trait.
• Tool used to display potential probabilities for offspring.
• The amount of genes in a given population.

Tags

NGSS.HS-LS3-1

Define phenotype.

• Genetic make-up of a trait.
• Physical expression of a trait.
• Tool used to display potential probabilities for offspring.
• The amount of genes in a given population.

Tags

NGSS.HS-LS3-1

What is a Punnett Square?

• Genetic make-up of a trait.
• Physical expression of a trait.
• Tool used to display potential probabilities for offspring.
• The amount of genes in a given population.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3