Mendelian Genetics Review

Front

Human sex cells have ___ chromosomes

Back

23

Front

Having dimples is dominant to no dimples. A homozygous recessive person would ___

Back

have no dimples

Front

Study of how traits are passed from parents to offspring

Back

genetics

Front

Describe the genotype: Aa

Back

heterozygous

Front

Segment of DNA that determines a trait.

Back

gene

Front

What is the term for the physical expression of a trait?

Back

phenotype

Front

What is the term for the genetic makeup of an organism?

Back

genotype

Front

What is the principle that states that alleles for different traits are segregated independently of one another?

Back

Law of Independent Assortment

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.