Genetics and Adaptations

A version of a gene is called a(n)

• allele

• characteristic

• specific gene

• trait

A trait that is expressed if one copy of the allele is present is a(n)

• characteristic

• dominant trait

• gene

• recessive trait

An organism’s genetic makeup; the pair of alleles for a trait is called a(n)

• dominant trait

• genotype

• phenotype

• recessive trait

What are physical characteristics of an organism?

• Alleles

• Genotypes

• Genes

• Traits

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Match the organelle to its description.

• Cell Membrane

• Outer lining the cells.

  Controls what goes

  in and out.

• Nucleus

• Controls all activity in the cell (the brain) and stores DNA

• Mitochondrian

• Proteins are made on these small structures.

• Ribosomes

• Power plant of the cell. They

  create energy called ATP.

• Cytoplasm

• The fluid that fills the cell and

  keeps the organelles in place

Tags

NGSS.MS-LS1-2

An alternative form of a gene.

• Allele

• DNA

• Dominant

• Recessive

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying DNA (genetic information) in the form of genes

• DNA

• Deoxyribonucleic Acid

• heredity

• chromosome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Homozygous

• an organism that has two identical alleles for a trait

• genetic makeup

• dominant

• heredity

Tags

NGSS.HS-LS3-2

A segment of DNA on a chromosome that codes for a specific trait

• allele

• genotype

• gene

• homozygous

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Dominant

• Describes a trait that covers over, or dominates, another form of that trait

• genetic makeup

• weak

• An organism that has two identical alleles for a trait