Genes and Traits

What is a specific observable characteristic of an organism?

• DNA

• Gene

• Trait

• Chromosome

Tags

NGSS.MS-LS4-4

What are found within chromosomes?

• Karyotype

• nucleus

• genes

• traits

Tags

NGSS.HS-LS3-1

How many genes can a chromosome contain?

• 100's to 1000's

• 23

• 48

• 2

How many alleles for the same gene do offspring get?

• 1

• 2

• 23

• 100's to 1000's

Tags

NGSS.HS-LS3-1

Which of the following best describes why siblings (except identical twins) do not look exactly alike?

• They inherit different genes from their parents

• They choose different lifestyles

• They eat different foods

• They live in different environments

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the definition for Phenotype

• The genetic makeup, or genetic code, of an organism.

• The observable characteristics of an organism because of its genetic makeup.

• A distinguising quality or characteristic.

• The passing of characteristics through generations

Observable characteristics of a trait. The way an organism looks

• Phenotype

• Genotype

• Chromosome

• Pedigree

Curly hair is a _______.

• Inherited trait.

• Behavioral trait.

• Learned trait.

• Instinct.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

tongue rolling

• inherited

• acquired

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

is the physical appearance of an organism, or how it looks. Examples: brown hair, height and shape of face.

• phenotype

• ratio

• recessive trait

• heredity

Tags

NGSS.HS-LS4-4