Front

Cephalization

Back

The concentration of nervous tissue and sensory organs at the anterior end of an organism, resulting in the formation of a head.

Tags

NGSS.HS-LS1-2

Front

Shape of a DNA molecule

Back

Described as a twisted ladder, also known as a double helix.

Front

Homologous chromosomes

Back

Matching pairs of chromosomes in a diploid cell that have the same genes but may have different alleles.

Front

Characteristics of vertebrates

Back

All vertebrates have skulls, endoskeletons, and backbones.

Tags

NGSS.MS-LS4-2

Front

Cartilaginous fish

Back

A group of fish that have a skeleton made of cartilage, examples include sharks and rays.

Tags

NGSS.MS-LS4-2

Front

Endoskeleton

Back

An internal skeleton that provides support and structure to an organism, found in vertebrates.

Front

Diploid cell

Back

A cell that contains two complete sets of chromosomes, one from each parent.

Tags

NGSS.HS-LS3-1

Front

Chromosomes

Back

Structures within cells that contain DNA and genetic information.

Tags

NGSS.HS-LS3-1

Front

Alleles

Back

Different versions of a gene that can exist at a specific locus on a chromosome.

Tags

NGSS.HS-LS3-2

Front

Sister chromatids

Back

Identical copies of a chromosome that are connected by a centromere.