Genetics Vocabulary Challenge

The video tutorial introduces key vocabulary related to genetics, including genes, traits, alleles, genotypes, and phenotypes. It explains how traits are inherited through dominant and recessive alleles, using examples like eye color. The concepts of homozygous and heterozygous alleles are also covered, providing a comprehensive overview of basic genetic principles.

What is the study of how traits are passed from one generation to the next called?

• Anatomy

• Ecology

• Genetics

• Biology

Tags

NGSS.MS-LS3-2

What is a gene?

• A type of cell

• A type of RNA

• A protein

• A segment of DNA that determines a trait

How many alleles do you inherit for each gene?

• One

• Two

• Three

• Four

Tags

NGSS.MS-LS3-2

What is a genotype?

• The physical appearance of a trait

• The combination of alleles for a trait

• A type of cell

• A segment of RNA

What is the term for a different version of a gene?

• Genotype

• Phenotype

• Allele

• Trait

Tags

NGSS.MS-LS4-4

What does the term 'phenotype' refer to?

• The physical appearance of a trait

• The genetic makeup of an organism

• A type of protein

• A segment of DNA

Which type of allele is always expressed if present?

• Incomplete dominant

• Codominant

• Dominant

• Recessive

If an individual has two different alleles for a trait, what is this called?

• Homozygous

• Recessive

• Heterozygous

• Dominant

What is the phenotype of an individual with the genotype Big B Little B for eye color, where Big B is dominant for brown eyes?

• Blue eyes

• Green eyes

• Brown eyes

• Hazel eyes

What does 'homozygous recessive' mean?

• Two different alleles

• Two dominant alleles

• Two recessive alleles

• One dominant and one recessive allele