Heredity (Unit 5)

Question 1

What are two examples of asexual reproduction?

Answer 1

Hydra and Redwood

Question 2

Genetics is…

Answer 2

The study of heredity

Question 3

Genes are…

Answer 3

Heredity units

Question 4

Reproductive cells are called…

Answer 4

Gametes

Question 5

Male gametes

Answer 5

Sperm

Question 6

Female gametes

Answer 6

Egg

Question 7

Resulting order displayed

Answer 7

Karyotype

Question 8

2 of the same chromosomes creating a pair

Answer 8

Homologous chromosomes

Question 9

Determines the gender

Answer 9

Sex chromosomes

Question 10

Non-sex chromosomes

Answer 10

Autosomes

Question 11

A human diploid cell has how many sets of chromosomes?

Answer 11

2

Question 12

Fusion of the egg and sperm

Answer 12

Fertilization

Question 13

Fertilized egg

Answer 13

Zygote

Question 14

The original source of genetic diversity

Answer 14

Mutation

Question 15

Creates different versions of genes called alleles

Answer 15

Mutations

Question 16

_______ of alleles during sexual reproduction produces genetic variation

Answer 16

Reshuffling

Question 17

What are the three mechanisms that contribute to genetic variation?

Answer 17

Independent assortment of chromosomes, crossing over, and random fertilizationG

Question 18

Genes that are inherited on the same chromosome and are adjacent

Answer 18

Linked genes

Question 19

Which one carries more, x or y?

Answer 19

x

Question 20

Mitochondria DNA comes from…

Answer 20

Maternal side

Question 21

Alleles segregate randomly into gametes

Answer 21

Law of segregation

Question 22

The alleles of different genes are sorted into gametes

Answer 22

Law of independent assortment

Question 23

The failure of chromosomes to separate when forming gametes resulting in too few chromosomes.

Answer 23

Nondisjunction

Question 24

Genetic disorders can be a result of a single…

Answer 24

Mutated allele

Question 25

Blood type A

Answer 25

AA or AO

Question 26

Blood type B

Answer 26

BB or BO

Question 27

Blood type AB

Answer 27

AB

Question 28

Blood type O

Answer 28

OO

Question 29

What is it called when the dominant gene does not allow the baby to be born(miscarriage)?

Answer 29

Lethal dominance

Question 30

What type of person is mainly affected by sickle cell disease?

Answer 30

African

Question 31

What is the cause for sickle cell disease?

Answer 31

Defect in gene

Question 32

Symptoms of sickle cell disease

Answer 32

Dizziness, yellow skin/eyes, joint pain

Question 32

Type of inheritance pattern for sickle cell disease

Answer 32

Autosomal recessive

Question 32

Who is mainly affected by Huntington's disease

Answer 32

People with European ancestry

Question 32

What causes Huntington's disease?

Answer 32

A mutation in a protein gene called Huntingtin

Question 33

What are the symptoms of Huntington's disease?

Answer 33

Depression, mood swings, difficulty moving

Question 33

What type of inheritance pattern does Huntington's disease come from?

Answer 33

Autosomal recessive

Question 33

Is there a cure for Huntington's disease?

Answer 33

No

Question 34

How do you test for Huntington's disease?

Answer 34

Brain scan

Question 35

Is there a cure for sickle cell disease?

Answer 35

Yes, stem cell or bone marrow transplants

Question 36

How do you test for sickle cell disease?

Answer 36

Blood test

Question 37

In the paper tasting lab, what was the recessive allele?

Answer 37

People who did not taste anything