Genetics and Heredity 2nd Nine weeks test.

Front

In a Punnett square, a lower case letter stands for a ____________ allele.

Back

recessive

Front

What do we call the physical expression of the genetic material of an organism?

Back

phenotype

Front

In animals, shaggy fur is dominant to short fur. The Punnett Square shows the genotypes of the offspring of a shaggy fur animal and a short fur animal. What were the genotypes of the parents?

Back

Ff and ff

Front

In animals, shaggy fur is dominant to short fur. According to the genotypes shown, what percent of offspring will have short fur?

Back

50

Front

In a punnet square, where are the parent alleles written?

Back

Outside of the boxes (top and left side)

Front

Heterozygous is when...

Back

the alleles are different.

Front

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

Back

tt

Front

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

Back

dominant

Front

Which of the following alleles is homozygous (purebred) recessive? Options: Tt, tt, TT, t

Back

tt

Front

Genotype for a yellow plant (G = green, g = yellow)

Back

gg