11.1 and 11.2

Question 0

Three or more forms of a gene code for what?

Answer 0

A single trait

Question 1

How many alleles does a single gene have

Answer 1

2 or multiple

Question 2

A person can only carry two because

Answer 2

Chromosomes exist in pairs

Question 3

Blood types are both _ and they dont_

Answer 3

Dominant

Hide each other

Question 4

What blood type would you get if inherit both A and B

Answer 4

AB

Question 5

What are traits controlled by?

Answer 5

Genes

Question 6

Some human traits show a large number of phenotype a bc

Answer 6

They are controlled by many genes

Question 7

_ chromosomes are one of the 23 pairs of chromosomes in each body cell

Answer 7

Sex

Question 8

Sex chromosomes determine _

Answer 8

Determines a persons gender and other traits

Question 9

XX

Answer 9

Girl

Question 10

XY

Answer 10

Boy

Question 11

All egges carry one

Answer 11

X chromosome

Question 12

_ of makes sperm cells carry and X chromosome and _ carry a Y chromosome

Answer 12

Half

Half

Question 13

Where are sex linked genes found

Answer 13

On the X and Y chromosomes and their alleles are passed on these chromosomes

Question 14

And X chromosome is

Answer 14

Larger than the Y chromosome and carry more genes

Question 15

What is a carrier

Answer 15

A person who has one recessive allele or a trait and one dominant allele

Question 16

A trait controlled by a recessive allele

Answer 16

Does not express the trait but can pass the trait but can pass the trait onto their offspring

Question 17

Only _ can be carriers of sex linked traits

Answer 17

Females

Question 18

Why can only females be carriers on sex linked traits?

Answer 18

Because they are the only one who can carry two alleles for a trait

Question 19

What is an abnormal condition that a person inherits through genes or chromosomes

Answer 19

Genetic disorder

Question 20

What are genetic disorders caused by?

Answer 20

Mutations in the genes or changes in overall structure or number of chromosomes

Question 21

When genetic disorder is when your body produces abnormally thick mucus and lungs and intestines

Answer 21

Cystic fibrosis

Question 22

What happens in Cystic Fibrosis

Answer 22

It makes it hard for the person to breathe

Question 23

How do you inherit cystic fibrosis

Answer 23

You inherit two Mutated alleles, one from each parent

Question 24

What is sickle cell disease caused by

Answer 24

It is caused by mutations that affects hemoglobins which carry oxygen

Question 25

What do red blood cells that have sickle shaped like?

Answer 25

Like crescent

Question 26

Red blood cells that have sickle

Answer 26

Cannot carry as much oxygen and clog blood vessels

Question 27

Sickle cell disease is

Answer 27

Codominant with a normal allele

Question 28

S

Answer 28

Sickle cell

Question 29

A

Answer 29

Normal

Question 30

SA

Answer 30

Person has disease but has enough normal cells to get oxygen to body

Question 31

SS

Answer 31

Person had disease

Question 32

What is hemophilia?

Answer 32

Body does not produce enough of one of the proteins needed for normal blood clotting

Question 33

What danger does hemophilia have

Answer 33

Internal bleeding from small bumps and bruises

Question 34

What is hemophilia caused

Answer 34

by caused by recessive allele on X-chromosome

Question 35

What does Hemophilia occur more in

Answer 35

Males because they only have to inherit one chromosome

Question 36

What happens to cells in Down syndrome?

Answer 36

Every cell has a extra copy of chromosomes 21 ( 2 instead of 3)

Question 37

What occurs in Down syndrome

Answer 37

Chromosomes fail to separate during meiosis

Question 38

What happens to your body in Down syndrome

Answer 38

You have heart defects and a degree of mental retardation

Question 39

What do doctors use to diagnose genetic disorders

Answer 39

Pedigrees, karyotypes and genetic testing to trace and diagnose genetic disorders

Question 40

What are pedigrees

Answer 40

A chart Or family tree that tracks which family members have a particular trait

Question 41

What is a Karyotyoe

Answer 41

a picture of all the chromosomes in a persons cell Arranged in pairs and reveals if a person has a correct number of Chromosomes

Question 42

Does genetic counseling help do

Answer 42

It helps couples understand their chances of having a child with a particular genetic disorder

Question 43

How do people deal with their genetic disorders

Answer 43

Medical treatment such as physical therapy