How The Body Works

Question 1

Feature that an organism inherits from its parents, such as eye color, that is coded by DNA

Answer 1

Trait

Question 2

Segment of DNA on a chromosome

Answer 2

Gene

Question 3

Genes that an organism has in its genetic makeup

Answer 3

Genotype

Question 4

Observable product of genetic makeup and the environment influenced in that genetic makeup

Answer 4

Phenotype

Question 5

Study of heredity

Answer 5

Genetics

Question 6

An alternate form that a gene may have or a single trait; can be dominant or recessive

Answer 6

Allele

Question 7

Describes a trait that covers over, or dominates, another form of trait

Answer 7

Dominant

Question 8

Describes a trait that is covered over, or dominated, by another form of trait

Answer 8

Recessive

Question 9

Tool used to predict the probability of certain traits in offspring that shows the different ways alleles can combine

Answer 9

Punnett Square

Question 10

Change in the genetics of a species over time

Answer 10

Evolution

Question 11

Process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not

Answer 11

Natural selection

Question 12

Process that changes DNA to form new alleles

Answer 12

Mutation

Question 13

Productions of several species from one ancestral to another

Answer 13

Adaptive radiation

Question 14

Occurs when the last member of a species dies; cause a loss of diversity among living things

Answer 14

Extinction