Chapter 9

Question 0

Form of human dwarfism caused by single dominant allele

Answer 0

Achondroplasia

Question 1

Classes of blood determined by presence or absence of carbohydrates

Answer 1

ABO Blood groups

Question 2

Alternative version of a gene

Answer 2

Allele

Question 3

Individual who is heterozygous for a recessive disorder but does not show symptoms of the disorder

Answer 3

Carrier

Question 4

Heritable feature that varies among individuals

Answer 4

Character

Question 5

Basic principle that states that genes are located on chromosomes and their behavior is determined by patterns of inheritance

Answer 5

Chromosome theory of inheritance

Question 6

Expression of two different alleles of a gene

Answer 6

Codominance

Question 7

Cross-fertilization of two different varieties of an organism or species; also called hybridization

Answer 7

Cross

Question 8

Genetic disease caused by recessive alleles that causes an extreme vulnerability to infection

Answer 8

Cystic fibrosis

Question 9

Mating of individuals with two genetic loci

Answer 9

Dihybrid cross

Question 10

Allele that determines the phenotype of a particular gene. The big letter

Answer 10

Dominant allele

Question 11

First generation/ parents

Answer 11

F1 generation

Question 12

Offspring of f1 generation

Answer 12

F2 generation

Question 13

The study of heredity and inheritance

Answer 13

Genetics

Question 14

Genetic makeup of an organism

Answer 14

Genotype

Question 15

Inability of blood to clot. Disease caused by recessive allele

Answer 15

Hemophilia

Question 16

Transformation of traits from one generation to the next

Answer 16

Heredity

Question 17

Having two different alleles for a specific gene. One big letter one little letter

Answer 17

Heterozygous

Question 18

Having two identical alleles for a particular gene. Two big or two little letters

Answer 18

Homozygous

Question 19

Disease caused by dominant allele. Characterized by loss of nervous system and bodily control.

Answer 19

Huntington’s disease

Question 20

Offspring of parents of two different species

Answer 20

Hybrid

Question 21

Disease caused by high cholesterol in blood

Answer 21

Hypercholesterolemia

Question 22

The mating of close relatives

Answer 22

Inbreeding

Question 23

Inheritance where both phenotype are expressed. Ex: pink rose

Answer 23

Incomplete dominance

Question 24

Law that says each allele is selected independently

Answer 24

Law of independent assortment

Question 25

Law that says two alleles in a pair will split up into gametes during meiosis

Answer 25

Law of segregation

Question 26

Map of chromosomes showing relative position of genes

Answer 26

Linkage nap

Question 27

Genes that are located close together and usually inherited together

Answer 27

Linked genes

Question 28

Where gene is found on a chromosome

Answer 28

Locus (loci)

Question 29

Family tree diagram showing path of inheritance

Answer 29

Pedigree

Question 30

Parent individuals

Answer 30

P generation

Question 31

Expressed traits- what you can see

Answer 31

Phenotype

Question 32

Control of one or more phenotype by single gene

Answer 32

Pleiotropy

Question 33

Phenotype expressed by multiple genes

Answer 33

Polygenetic inheritance

Question 34

Diagram used to show percentage of random fertilization

Answer 34

Punnett square

Question 35

Allele that has no affect on phenotype in heterozygotes

Answer 35

Recessive allele

Question 36

Sex linked disorder that causes sight issues with respect to colors. Often in males occasionally in females

Answer 36

Colorblindness

Question 37

Probability of an event is the product of probabilities of separate events

Answer 37

Rule of multiplication

Question 38

gene located on a sex chromosome

Answer 38

Sex linked gene

Question 39

Disease where red blood cells take on irregular shapes and cause excess clogging

Answer 39

Sickle cell disease

Question 40

Mating an organism with an unknown genotype with a heterozygous one

Answer 40

Test cross

Question 41

Character found in organism inherited from parents

Answer 41

Trait

Question 42

Traits most commonly found in nature

Answer 42

Wild type traits