Mendel and Non-Mendelian Genetics Punnett Squares

If a snail could be green or brown, and a heterozygous green snail mated with a brown snail, what would the genotypic ratio of their offspring be?

• 1:2:1
• 2:2
• 3:1
• 1:1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If butterflies can have straight or curly antennae, and curly is recessive; what is the possibility (using %'age) that a pure breeding straight is crossed with a hybrid straight, will have offspring with straight antennae?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

the genetic makeup of an individual is known as it's 

• genotype
• phenotype
• alleles
• heterozygous

the physical characteristics that result from genes

• phenotype
• genotype
• heterozygous
• homozygous

Tags

NGSS.HS-LS3-1

a form of a trait that is covers another trait is said to be

• dominant
• recessive
• heterozygous
• homozygous

Which gentotype would be considered heterozygous?

• Rr
• RR
• rr
• YY

different forms of the same gene are called

• alleles
• genetics
• p generation
• law of segregation

Tags

NGSS.HS-LS3-2

T = tall an t = short
TT and Tt would result in  the following phenotype

• short
• tall
• medium sized
• neither tall or short

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes