Mendelian Genetics Quiz

Which of the following would be homozygous alleles? (click all that apply)

• XX

• Xx

• xx

Which of the following would be heterozygous alleles? (click all that apply)

• XX

• Xx

• xx

In this illustration, what is a phenotype?

• Dominant

• Bb

• Blue eyes

• bb

In the pea Punnett Square, what is the dominant trait?

• yellow peas

• green peas

• parent 1

• parent 2

In the flower Punnett Square, what is the probability that the F1 flower will be white?

• 3/4

• 2/4

• 1/4

• 0

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype

The different forms of genes are known as

• environment
• probability
• traits
• alleles

An allele or gene that always shows is

• recessive
• dominant
• hidden
• present

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous
• hetrozygous
• protein
• chromosome