Book 2 Chapter 3

Question 1

passing of genetic traits from parent to offspring

Answer 1

heredity

Question 2

the trait observed in the first generation

Answer 2

dominant trait

Question 3

a trait that appears in the second generation after disappearing from the first generation

Answer 3

recessive trait

Question 4

one set of instructions for an inherited trait

Answer 4

gene

Question 5

one of the alternative forms of a gene that governs a characteristic

Answer 5

allele

Question 6

an organism’s appearance

Answer 6

phenotype

Question 7

the entire genetic makeup of an organism

Answer 7

genotype

Question 8

mathematical chance that something will happen

Answer 8

probability

Question 9

chromosomes that have the same sequence of genes and structure

Answer 9

homologous chromosomes

Question 10

process in cell division which splits the normal number of chromosomes in half, produces 4 cells out of one, all of which are sex cells.

Answer 10

meiosis

Question 11

one pair of chromosomes that determine the sex of an individual.

Answer 11

sex chromosome

Question 12

a diagram that shows the occurrence of a genetic trait in several generations of a family

Answer 12

pedigree