Inheritance and Variation Lesson

The genetic transmission (passing on) of characteristics from parents to offspring.

• Inheritance
• Genotype
• Phenotype
• Genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The possible variations of alleles (in chromosomes) for a particular trait within an individual.

• Inheritance
• Genotype
• Phenotype
• Genetics

Tags

NGSS.HS-LS3-2

Expression of the genotype which depends on both your genotype and environment

• Inheritance
• Genotype
• Phenotype
• Genetics

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

A trait that requires only ONE allele to be present for its expression in a heterozygote

• Dominant
• Recessive
• Pure Breeding
• Hybrid

A trait that will only be expressed in the absence of the allele for the dominant trait.

• Dominant
• Recessive
• Pure Breeding
• Hybrid

An individual who has two identical alleles for a characteristic

• Carrier
• Complete dominance
• Heterozygous
• Homozygous

An individual who has two different alleles for a characteristic

• Carrier
• Complete dominance
• Heterozygous
• Homozygous

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B