Complex Inheritance

Front

What does incomplete dominance mean?

Back

Incomplete dominance means that traits are blended.

Front

What does polygenic inheritance mean?

Back

Polygenic inheritance means that many genes control a characteristic.

Front

What are genes responsible for?

Back

Genes are responsible for passing down traits from parent to offspring.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is an example of codominance in chickens?

Back

In a breed of chicken showing codominance for feather color, heterozygous chickens will have speckled black and white feathers.

Front

What is an allele?

Back

An allele is a version of a gene.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present, while recessive traits are expressed only when two recessive alleles are present.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, consisting of the alleles inherited from its parents.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is the role of mutations in inheritance?

Back

Mutations are changes in the DNA sequence that can lead to new traits being passed down to offspring.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Front

What is the significance of multiple alleles?

Back

Multiple alleles refer to the presence of more than two allele forms for a gene, contributing to genetic diversity.