7Th Grade Genetics Group 1

Front 1

Punnett square

Back 1

a tool used to predict the possible phenotypic and genotypic outcomes of offspring from a known parental cross

Front 2

DNA

Back 2

Chemical code for all your inherited traits. Has a Double Helix structure which looks like a "twisted ladder". The sides are alternating sugar and phosphate while the rungs are nitrogen bases which is the CODE.

Front 3

CHROMOSOME

Back 3

Thread-like sections of DNA found in the cell nucleus that contain all or most of the genes of an organism and can be seen especially during cell division

Front 4

GENE

Back 4

a part of DNA located on a chromosome & that contains the chemical code needed to make a particular protein (as an enzyme) controlling an inherited bodily trait (as eye color, height, or metabolism)

Front 5

ALLELE

Back 5

one of several forms of a gene that determine alternate forms of one or more genetic traits

Front 6

TRAIT

Back 6

a characteristic that can be inherited (dominant and recessive traits), from one's environment, or both.

Front 7

VARIATION

Back 7

Different forms of a trait. Example: Blue, Brown, Green Eyes

Front 8

MITOSIS

Back 8

Cell division where the result is two new identical cells that are identical to the original cell.

Front 9

DOUBLE HELIX

Back 9

The structure of DNA. Looks like a "twisted ladder".

Front 10

REPLICATE

Back 10

to produce one or more exact copies of itself <DNA replicates in the cell nucleus>

Front 11

Punnett square

Back 11

: an n × n square used in genetics to calculate the frequencies of the different genotypes and phenotypes among the offspring of a cross

Front 12

DNA

Back 12

are usually the chemical basis of heredity, and are composed of two nucleotide chains held together by hydrogen bonds in a pattern resembling a flexible twisted ladder

Front 13

CHROMOSOME

Back 13

one of the rod-shaped or threadlike DNA-containing bodies of a cell nucleus that contain all or most of the genes of an organism and can be seen especially during cell division

Front 14

GENE

Back 14

a part of DNA located on a chromosome & that contains chemical information needed to make a particular protein (as an enzyme) controlling an inherited bodily trait (as eye color, height, or metabolism)

Front 15

ALLELE

Back 15

one of several forms of a gene that determine alternate forms of one or more genetic traits

Front 16

TRAIT

Back 16

characteristic

Front 17

VARIATION

Back 17

change in the characteristics that are usual for a species or group

Front 18

MITOSIS

Back 18

a cell divison resulting in the formation of two new nuclei with the same number of chromosomes as the orginal

Front 19

DOUBLE HELIX

Back 19

how DNA looks and is put together spirally twisted ladder

Front 20

REPLICATE

Back 20

to produce one or more exact copies of itself <DNA replicates in the cell nucleus>