NonMendelian and Pedigrees

The heterozygous phenotype i an intermediate phenotype between two homozygous phenotypes.

• codominance

• incomplete dominance

• multiple allele

• sex linked

Some genes may have more than 2 alternative forms of a gene.

• incomplete dominance

• sex linked

• multiple alleles

• codominance

Tags

NGSS.HS-LS4-3

Both alleles are expressed.

• codominance

• incomplete dominance

• multiple alleles

• polygenic inheritance

Traits are located on the sex chromosomes, usually the X chromosome.

• multiple alleles

• incomplete dominance

• polygenic inheritance

• sex-linked traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

One characteristic is determined by 2 or more genes.

• incomplete dominance

• multiple alleles

• polygenic inheritance

• codominance

Traits are either dominant or recessive.

• multiple alleles

• simple Mendelian genetics

• sex-linked traits

• polygenic inheritance

Tags

NGSS.HS-LS3-1

Inheritance that does not follow Mendel's laws.

• complex inheritance

• simple Mendelian inheritance

• dominant inheritance

• none of these are correct

Tags

NGSS.HS-LS3-1

Chart that shows how a trait is passed through families.

• Punnett square

• family tree

• offspring diagram

• pedigree

Tags

NGSS.HS-LS3-1

In a pedigree, circles represent:

• females

• males

• offspring

• marriage

In a pedigree, horizontal lines represent:

• females

• males

• offspring

• marriage