Unit 3 Lesson 1 Inheritance 7th grade

Front

Factors are also known as _____

Back

genes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Front

Traits are ____

Back

Passed from parent to offspring

Tags

NGSS.HS-LS3-1

Front

How do scientists describe the shape of DNA?

Back

double helix

Front

The recessive trait is the one you see most often?

Back

False

Front

The dominant trait is ___

Back

The trait that is always passed on in first generation offspring

Tags

NGSS.HS-LS3-1

Front

What is the basic unit of heredity?

Back

gene

Tags

NGSS.MS-LS3-2

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed in the phenotype when at least one dominant allele is present; recessive traits are expressed only when two recessive alleles are present.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Tags

NGSS.HS-LS3-2

Front

What is a genotype?

Back

The genetic constitution of an individual, often represented by letters (e.g., AA, Aa, aa).

Tags

NGSS.HS-LS3-2

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.