Chapter 14

Question 1

Heritable feature

Answer 1

Character

Question 2

Different varieties of a character

Answer 2

Trait

Question 3

Parent generation

Answer 3

P

Question 4

First filial generation

Answer 4

F1

Question 5

second filial generation

Answer 5

F2

Question 6

2 alleles for a heritable character segregate during gamete formation and end up in different gametes

Answer 6

Law of segregation

Question 7

Cross between 2 heterozygous organisms

Answer 7

Monohybrid

Question 8

Cross between 2 heterozygous organisms for both characters followed

Answer 8

Dihybrid

Question 9

Each pair of alleles segregate independently of each other pair of alleles during gamete formation

Answer 9

Law of independent assortment

Question 10

The outcome isn’t affected by what happened before

Answer 10

Independent event

Question 11

The phenotype of herterozygotes is between the phenotypes of individuals homozygous for either alleles

Answer 11

Incomplete dominance

Question 12

The phenotype of the heterozygote and dominant homozygote aren’t distinguishable

Answer 12

Complete dominance

Question 13

Phenotypes affect the alles and phenotypes in separate ways.

Answer 13

Codominance

Question 14

Alleles are not completely dominant

Answer 14

Incomplete dominance

Question 15

Ability of a single gene cell to have many effectes

Answer 15

Pleiotrophy

Question 16

Phenotype expression of 1 gene alters an independent inherited gene

Answer 16

Epistasis

Question 17

Caused by a recessive gene for chloride channel protein; excess secretion of mucus

Answer 17

Cystic fibrosis

Question 18

Causes RBC to change shape and hemoglobin aggregates

Answer 18

Sickle-cell disease

Question 19

Form of dwarfism

Answer 19

Achondroplasia

Question 20

Caused by dominant allele; uncontrollable movements and nervous system breaks down

Answer 20

Huntington’s disease

Question 21

What 2 ways do we use to fest a fetus for genetic disorders?

Answer 21

Amniocentesis and CVS