Genetics and Punnett Squares (9.19)

Front

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this? Options: Tall = T
Short = S, Tall = T
Short = t, Tall = t
Short = T, Tall = TT
Short = tt

Back

Tall = T
Short = t

Front

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

Back

dominant

Front

Dominant alleles are represented by a:

Back

capital letter

Front

Identify the homozygous dominant genotype:

FF

,

Ff

,

ff

,

fF

Back

FF

Front

Which of the following would be a phenotype?

Aa

,

red hair

,

heterozygous

,

aa

Back

red hair

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

Genotypic ratios for the offspring of this cross?

Back

2 Yy: 2 yy: 0 YY

Front

Fill in the Yellow Box

Back

Aa