Heredity and Genetics

Front

What are traits that are hidden and can be carried in a person's genes without appearing in that person?

Back

Recessive traits.

Front

How many chromosomes do cells have?

Back

46 chromosomes.

Front

What is a characteristic or physical attribute of an organism that is expressed by genes from parent to offspring?

Back

Trait.

Front

What is a segment of DNA found on a chromosome that determines the inheritance of a particular trait?

Back

Gene.

Front

What part of the cell acts like the brain and contains chromosomes and genes?

Back

Nucleus.

Front

What are the observable characteristics of an organism called?

Back

Phenotype.

Front

What is the genetic makeup of an organism called?

Back

Genotype.

Front

What type of trait is expressed when at least one dominant allele is present?

Back

Dominant trait.

Front

What is the process by which traits are passed from parents to offspring?

Back

Heredity.

Front

What are different forms of a gene called?

Back

Alleles.