Genetics Intro

The passing of traits from parent to offspring

• Heredity

• Hybrid

• Probability

Which is heterozygous ?

• Tt

• TT

• ZZ

• E

Tags

NGSS.HS-LS3-1

Which is homozygous ?

• Zz
• SS

Tags

NGSS.HS-LS3-1

The genetic makeup of an organism is its ___.

• heterozygous

• punnet square

• genotype

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-6

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

What is a phenotype?

• The genetic make up (code)

• The physical trait

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

Tags

NGSS.HS-LS3-1

What is the definition of phenotype?

• The physical expression of a trait
• The genetic combination of alleles
• A gene on the DNA strand

Tags

NGSS.HS-LS3-1