Unit 3 Lesson 1

how a trait appears or is expressed.

• Phenotype

• Genotype

• Heredity

• Dominant

the study of how traits are passed from parents to offspring.

• genotype

• heredity

• genetics

• allele

Tags

NGSS.MS-LS3-2

a genetic factor that blocks another genetic factor.

• heterozygous

• homozygous

• recessive

• dominant

a genetic factor that is blocked by the presence of a dominant factor.

• recessive

• dominant

• gene

• phenotype

a section of DNA on a chromosome that has genetic information for one trait.

• chromosome

• gene

• allele

• pedigree

a different form of a gene.

• allele

• heterozygous

• homozygous

• gene

Tags

NGSS.MS-LS4-4

the alleles of all the genes on an organism’s chromosomes; controls an organism's phenotype.

• phenotype

• heterozygous

• genotype

• homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

a genotype in which the two alleles of a gene are the same.

• heterozygous

• homozygous

• genotype

• phenotype

a genotype in which the two alleles of a gene are different.

• heterozygous

• homozygous

• phenotype

• genotype

A 0.50 kg softball travels 105 meters (m) south for 8.5 seconds (s). What piece of information distinguishes the velocity from the speed of the ball?

• the direction the ball flew

• the speed the ball flew

• the acceleration of the ball

• the mass of the ball