Unit 5: Genetics and Heredity

Front

What is genetics?

Back

Genetics is the study of heredity and the variation of inherited characteristics.

Front

What is heredity?

Back

Heredity is the passing of traits from parents to offspring.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Guanine, Cytosine.

Front

What is a DNA molecule's structure?

Back

A DNA molecule is structured as a double helix.

Front

What is a phenotype?

Back

Phenotype refers to the observable physical characteristics of an organism.

Front

What is a genotype?

Back

Genotype is the genetic makeup of an organism, representing the alleles inherited from parents.

Front

What is incomplete dominance?

Back

Incomplete dominance is a type of inheritance where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes.

Front

What is co-dominance?

Back

Co-dominance is a genetic scenario where both alleles in a heterozygote are fully expressed, resulting in a phenotype that is neither dominant nor recessive.

Front

What is complete dominance?

Back

Complete dominance occurs when the phenotype of the heterozygote is the same as that of the dominant homozygote.

Front

What is a chromosome?

Back

A chromosome is a long DNA molecule with part or all of the genetic material of an organism.