Genetics Intro

The different forms of a characteristic (dimples, cleft chin)

• Trait

• Hereditary

• Genetics

• Chromosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Variations of THIS vocab word creates genes. They are the represented by LETTERS that code for different forms of a gene. Think different flavors of the gene.

• Alleles

• Genes

• DNA

• Ribosomes

Gene make-up of an organism represented by letters.

• Genotype

• Phenotype

• Allele

• Gene

The physical appearance of a trait.

• Phenotype

• Genotype

• Allele

• "Rr"

This form of a gene ONLY shows up as the trait when both allele of this type are present. This is the trait that is overshadowed & is not expressed. (the weaker allele)

• Recessive Allele

• Phenotype

• Dominant Allele

• Genotype

Form of a gene shows up ALWAYS when one allele is present. The trait that is always expreseed if present.

• DNA

• Dominant Allele

• Ribosomes

• Recessive Allele

A gene with two identical alleles.

• Heterozygous

• Genotype

• Homozygous

• Phenotype

A gene with two different alleles.

• Heterozygous

• Genotype

• Homozygous

• Phenotype

A gene with two different alleles.

• Hybrid

• Genotype

• Purebred

• Phenotype

A gene with two identical alleles.

• Purebred

• Genotype

• Hybrid

• Phenotype