Punnett Square

Front

Which of these characteristics would not be passed on to its offspring?

• fur color
• length of tail
• scars on leg
• body size

Back

scars on leg

Front

What you see, or the physical appearance.

Back

Phenotype

Front

Aa, DD, bB, yy are all examples of

Back

genotypes

Front

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

Back

dominant

Front

Which of the following genotypes is heterozygous? Options: Bb, BB, bb, B

Back

Bb

Front

Which of the following genotypes is homozygous dominant? Options: Yy, yY, yy, YY

Back

YY

Front

Which of the following genotypes is homozygous recessive? Options: Tt, tt, TT, tT

Back

tt

Front

B = brown eyes b = blue eyes One brother has genotype BB and the other brother has genotype Bb. Which statement is true about these two brothers? Options: They have same phenotype and genotype, They have different phenotypes and genotypes, They have same phenotype, but different genotypes, They have different phenotypes, but the same genotype

Back

They have same phenotype, but different genotypes

Front

T - tall and t = short In the punnett square below, what belongs in the missing square Options: tt, Tt, Bb, TT

Back

tt

Front

What is the genotypic ratio of the offspring?

Back

1:2:1