Punnett Squares

The physical appearance of an organism based on traits

• Genotype

• Phenotype

• Meiosis

• Genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genotypes codes for

• phenotype (physical trait)

• DNA

• allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The letters that represent different forms of a gene.

• Allele

• Mutation

• Trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Trait of an organism that can be HIDDEN by the dominant form of a trait.

• Recessive Trait

• Phenotype

• Allele

Having two of the SAME alleles for a trait.

• Recessive Trait

• Homozygous

• Genotype

Tags

NGSS.HS-LS3-1

The trait that overshadows and is expressed.

• Dominant Trait

• Phenotype

• Allele

Tags

NGSS.HS-LS3-1

Having two DIFFERENT alleles for a trait.

• Recessive Trait

• Heterozygous

• Genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does the prefix hetero- in heterozygous mean?

• same
• different
• dating
• human

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive

• dominant

• both

T - tall and t = short

In the Punnett square, what belongs in the missing square?

• tt

• Tt

• TT

Tags

NGSS.HS-LS3-1