Basics of Genetics

contains your genes; found in the nucleus

• Genetics

• Traits

• Alleles

• DNA

Tags

NGSS.MS-LS1-2

the letters that represent the different forms of a gene

• Genetics

• Chomosome

• Alleles

• DNA

the different forms of characteristic (ex. Dimples)

• Genetics

• Traits

• Alleles

• DNA

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

the trait that overshadows and is expressed

• dominant

• heredity

• gene

• recessive

the trait that is hidden

• dominant

• heredity

• gene

• recessive

two alleles/letters for on trait that are different (Ex; Dd)

• phenotype

• genotype

• homozygous

• heterozygous

Which of the following are PHENOTYPES?

• red hair

• Gg

• Seven Toes

• SS

• cc

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

Which of the following are GENOTYPES?

• crooked pinky finger

• Dd

• QQ

• Orange teeth

• ff

Tags

NGSS.MS-LS4-4

Which of the following represent recessive alleles?

• R

• r

• T

• H

• y

Tall (T) is dominant over dwarf (t) in a species of plant. A tall plant has an unknown genotype. Which plant should it be crossed with to ascertain this?

• TT

• Tt

• tt