Genetics

Question 0

What is heredity

Answer 0

How traits are passed down

Question 1

What is genetics

Answer 1

Study of heredity

Question 2

What is blending

Answer 2

Belief that each parent passed down genes to offspring

Question 3

What did Gregor Mendel look at

Answer 3

How pea plants reproduce

Question 4

What did Gregor Mendel to get purebred plants

Answer 4

Self pollinated pea plants

Question 5

What has two identical alleles

Answer 5

Homozygous

Question 7

What has two different alleles

Answer 7

Heterozygous

Question 8

What is a gene

Answer 8

Chemical factor that determines traits

Question 9

What is a trait

Answer 9

Specific characteristic

Question 10

What is a hybrid

Answer 10

Parents with different traits create an offspring

Question 11

What has one type of allele

Answer 11

Purebred organism

Question 12

What is physical characteristics also known as

Answer 12

Phenotype

Question 13

What are phenotypes

Answer 13

Physical characteristics

Question 14

What are genotypes

Answer 14

Genetic makeup

Question 15

What is genetic makeup also called

Answer 15

Genotype

Question 16

What is the allele that takes over called

Answer 16

Dominant

Question 17

If an allele is not visible what is it also referred to

Answer 17

recessive

Question 18

What did Gregor Mendel want to do

Answer 18

Wanted to produce seeds by joining gametes from different plants

Question 19

What does the law of dominance state

Answer 19

Some alleles are dominant or recessive

Question 20

The belief that some alleles are dominant or recessive is called

Answer 20

Law of dominance

Question 21

What does the law of independence assortment state

Answer 21

Genes for different traits can separate during meiosis

Question 22

What does the punnett square predict

Answer 22

Genetic variations

Question 23

What predicts genetic variations

Answer 23

Punnett square

Question 24

A monohybrid cross has how many traits

Answer 24

1

Question 25

What has 1 type of trait

Answer 25

Monohybrid cross

Question 26

What involves 2 traits

Answer 26

Dihybrid cross

Question 27

How many traits does a dihybrid cross have

Answer 27

2

Question 28

What does a pedigree show

Answer 28

Relationships within a family

Question 29

What shows the relationship within a family

Answer 29

Pedigree

Question 30

What is a mutation

Answer 30

Changes in DNA

Question 31

When no allele is clearly dominant what is this called

Answer 31

Incomplete dominance

Question 32

When both alleles contribute to the phenotype what is this called

Answer 32

Codominance

Question 33

When genes have more than 2 alleles what is this Known as

Answer 33

Multiple alleles

Question 34

Where are sex linked traits found

Answer 34

X chromosome

Question 35

What is a polygenetic inheritance

Answer 35

When a trait is produced from many genes

Question 36

What is the failure of a chromosome or a chromatid to separate

Answer 36

Nondisjunction

Question 37

What is a karyotype

Answer 37

Picture of chromosomes

Question 38

What is an allele

Answer 38

Different forms of a gene

Question 39

Which pair of chromosomes determines the sex

Answer 39

23rd pair

Question 40

What are the 1st-22nd pairs of chromosomes known as

Answer 40

Autosomes

Question 41

What gender is this XX

Answer 41

Female

Question 42

What gender is shown XY

Answer 42

Male

Question 43

What is incomplete dominance

Answer 43

Mix between homozygotes

Question 44

What is codominance

Answer 44

Both alleles are visible

Question 45

What are multiple alleles

Answer 45

Many alleles control 1 trait

Question 46

Mutations can occur in

Answer 46

Multiple alleles

Question 47

Where are sex-linked traits found

Answer 47

On the sex chromosome (X)

Question 48

What is the sex chromosome

Answer 48

x

Question 49

What happens during cystic fibrosis

Answer 49

Mucus accumulates

Question 50

What is Tay-Sachs disease

Answer 50

Lack enzymes that break down lipids | Can't control muscle tone

Question 51

Can huntingtons disease kill you

Answer 51

Yes

Question 52

What happens to your brain if you have huntingtons disease

Answer 52

It breaks down

Question 53

What organ does huntingtons disease effect

Answer 53

Brain

Question 54

When do you find out you have huntingtons disease

Answer 54

Later years

Question 55

What does a square represent in a pedigree

Answer 55

Male

Question 56

What does a circle represent in a pedigree

Answer 56

Female

Question 57

What does a shades symbol show in a pedigree

Answer 57

The person has the effected trait

Question 58

What do Roman numerals tell in a pedigree

Answer 58

Generation

Question 59

What does a slash through a symbol mean

Answer 59

Deceased

Question 60

What does a symbol split in half represent

Answer 60

They carry the trait but it is not expressed

Question 61

What happens during gene therapy

Answer 61

The faulty gene is replaced with a normal gene

Question 62

What is the inheritance of sickle cell anemia

Answer 62

Codominant recessive

Question 63

What type of blood is the universal donor

Answer 63

O

Question 64

What happens if the wrong type of blood is given to a person

Answer 64

Death

Question 65

What are the different sex-linked traits

Answer 65

Color blindness Hemophilia Muscle dystrophy

Question 66

What type of blood is the universal recipient

Answer 66

AB

Question 67

What inheritance is type O blood

Answer 67

Recessive

Question 68

How many alleles control blood type

Answer 68

3

Question 69

More or less than the regular amount of chromosomes causes

Answer 69

Mutations

Question 70

What causes Down syndrome

Answer 70

Nondisjunction

Question 71

When does Nondisjunction take place

Answer 71

During meiosis

Question 72

Down syndrome is also known as

Answer 72

Trisomy 21

Question 73

What is trisomy 21

Answer 73

Down syndrome

Question 74

How many chromosomes does a person with Down syndrome have

Answer 74

47

Question 75

Where is the extra chromosome located on a person that has Down syndrome

Answer 75

23rd chromosome

Question 76

Amniocentesis is a way to look for what

Answer 76

Genetic disorders