GENETICS

A chart that shows the family history of genetic traits is a

• pedigree

• karyotype

• punnett square

• test cross

Which genotype would display a recessive trait only?

• rr

• Rr

• rm

• RM

Two non identical alleles are referred to as

• homozygous

• heterozygous

• polygenic

• diploid

Two gametes come together to form the first cell of a new organism called what?

• embryo

• zygote

• fetus

• haploid

Colorblindness is considered which type of trait?

• haploid

• diploid

• polygenic

• sex-linked

Co-dominance is often displayed as

• spotted/splotchy

• a blend

• non-existent

• even-toned

The physical appearance of a trait is referred to as

• phenotype

• physiology

• genotype

• genealogy

Tags

NGSS.HS-LS3-1

An ordered display of an organism's chromosomes grouped in pairs is a

• pedigree

• test cross

• punnett square

• karyotype

Eye color is considered which type of trait?

• sex-linked

• homozygous

• diploid

• polygenic

Down syndrome is caused by

• disjunction

• nondisjunction

• assortment

• mitosis