Melanin Review (After Spring Break)

What part of your DNA codes for a specific trait?

• Allele

• Gene

• Chromsome

• Nucleus

If your genotype is BB for hair color, you are considered what for this trait?

• Homozygous recessive

• Homozygous dominant

• Heterozygous

Two alleles make a person's what?

• Genotype

• Phenotype

The condensed form of DNA is called

• Genotype

• Chromosome

• Phenotype

• Genes

The bilby below has a long skinny nose. What is this an example of?

• Genotype

• Phenotype

The variations in your genes are called

• Chromosomes

• Flavors

• Alleles

• Differences

If your genotype is Aa for having a bent pinky you are

• Homozygous Dominant

• Homozygous Recessive

• Heterozygous

If an alien with purple spots is homozygous dominant mates with a heterozygous alien? What percentage of the offspring will have purple spots?

• 25%

• 50%

• 75%

• 100%

If being green is dominant to yellow, what would the phenotypes of the alien children be if dad is homozygous recessive and mom is heterozygous?

• 25% Green; 75% Yellow

• 50% Green; 50% Yellow

• 75% Green; 25% Yellow

• 100% Green; 0% Yellow

If a person has a widow's peak, but is Ww, why do they have a widow peak?

• Because the Law of Dominance states the dominant allele will express, even if they have a recessive allele

• Because the Law of Dominance states the recessive allele will express, even if they have a dominant allele

• They will have a small widow's peak because they are heterozygous and both alleles will express