Genetic Inheritance

A gene is

• a section of DNA

• a chemical found in the nucleus of cells

• contains instructions for building a protein

• all of the above

Tags

NGSS.HS-LS1-1

Human gametes contain how many chromosomes?

• 46

• 23

• 12

• 28

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a phenotype

• The genetic make up (code)
• The physical trait

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

The inherited combination of alleles is known as the offspring's

• heredity
• phenotype
• genotype
• redigree

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

A heterozygous purple (P) flower plant would have the genotype...

• pp

• Pw

• Pp

• PP

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2