General Review of Genetics

What is the molecule of inheritance?

• Proteins

• RNA

• DNA

• Chromosomes

How many chromosomes does a zygote have?

• 23

• 92

• 46

• 69

Which chromosomes carry the information for developing into a male or female?

• Non-sex-determining genes

• Y chromosomes

• Sex chromosomes

• Autosomal chromosomes

What is a phenotype?

• Proteins

• Genetic material

• Observable characteristics

• RNA

What determines a person's phenotype?

• Environment only

• Genotype only

• Both genotype and environment

• None of the above

What is a genotype?

• RNA

• Proteins

• Genetic material

• Observable characteristics

What do genes code for?

• DNA

• RNA

• Proteins

• Chromosomes

What are alleles?

• RNA

• Different forms of genes

• Proteins

• Chromosomes

What is the dominant allele for eye color?

• Blue eye allele

• Yellow eye allele

• Green eye allele

• Brown eye allele

What does it mean to be homozygous dominant?

• Having two different alleles

• Having two dominant alleles

• Having two recessive alleles

• Having one dominant and one recessive allele