Mendelian Genetics

Multiple Choice

According to the Law of Dominance, how are dominant and recessive traits represented?

• Dominant traits are lowercase, recessive traits are uppercase

• Dominant traits are represented as a capital letter, recessive traits as a lowercase letter

• Both are represented as numbers

• Dominant traits are bold, recessive traits are italic

Open Ended

Why is it important that dominant and recessive alleles are represented by the same letter but in different cases?

Fill in the Blanks

Fill in the blank: A heterozygous genotype is represented as

.

Multiple Choice

Which of the following statements about alleles is correct?

• Each person has only one allele for each gene

• Alleles are versions of the same gene

• Alleles are only inherited from the mother

• Dominant and recessive alleles are always different letters

Multiple Choice

What is the purpose of a Punnett Square?

• To show the structure of DNA

• To determine the number of chromosomes

• To show the probability of inheriting traits from parents with certain genes

• To identify mutations in genes

Fill in the Blanks

The probability of Erica and Carlos having a child who is heterozygous for all three genes (AaBbCc) is

Open Ended

Reflecting on Mendel's experiments, why do you think it was important for him to use only purebred plants in his genetic studies?