DNA Genetics

What is genetics?

• Study of jeans

• Study of genetics

• Study of heredity and the variation of inherited characteristics

• Study of genes

Tags

NGSS.HS-LS3-2

Traits are.....

• inherited from generation to generation

• are not expressed in every generation

• passed down from parents

• are overrated and not needed.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Alleles do what?

• Create an Eel

• Make letters

• Are letters

• Are forms of the gene.

Recessive alleles are represented by

• lowercase letters

• Capital letters

Heterozygous are shown by

• different letters like a and x = ax

• different alleles like A and a = Aa

• a letter and a number like 1 and a = 1a

• animals

Homozygous are shown by

• same alleles like a and a = aa

• same alleles like A and A = AA

• are different alleles like A and a

Genotype is

• the genetic makeup

• the trait you see

• a gene

• the type of gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Punnett Squares are used for what?

• Determine the chances of traits of offspring

• Multiplication

• Determine alleles and how to pair them up

• To show squares within a square

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NGSS.HS-LS4-3

Homozygous is

• identical alleles

• different alleles

• letters

• numbers

Heterozygous is

• identical alleles

• different alleles

• letters

• numbers