Genes and Heredity Vocabulary

Question 1

What is the genetic material that carries the information about an organism and is passed from parent to offspring?

Answer 1

DNA

Question 2

What is a trait that is always expressed int he phenotype of an organism?

Answer 2

Dominant Trait

Question 3

What is the different forms of gene, 2 exist for every gene?

Answer 3

Alleles

Question 4

What is the passing of traits from parent to offspring?

Answer 4

Heredity

Question 5

What characteristics of an organism that are passed on to its offspring through genes?

Answer 5

Traits

Question 6

What individual units of condensed DNA are called?

Answer 6

Chromosomes

Question 7

What is a set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait?

Answer 7

Gene

Question 8

What is an organism’s genetic makeup or possible allele combinations? (BB, Bb, or bb)

Answer 8

Genotype

Question 9

What is a trait that is expressed only when 2 homozygous______________ alleles are present?

Answer 9

Recessive Trait

Question 10

What is the expression of an organism’s physical appearance (brown eyes, blue eyes)

Answer 10

Phenotype

Question 11

What is a study of heredity and how genes are passed on from traits parent to offspring?

Answer 11

Genetics