4-2

Question 1

What chromosome is Down’s syndrome ?

Answer 1

Chromosome 21

Question 2

What chromosome is for sickle cell?

Answer 2

Chromosome 11

Question 3

Which chromosome is hemophilia? (Sex linked)

Answer 3

Chromosome 23

Question 4

What is an extra copy of chromosome 21?

Answer 4

Down syndrome

Question 5

What is it when the body produces abnormally thick mucus in the lungs and intestines?

Answer 5

Cystic fibrosis

Question 6

What disease is it where a persons blood clots slowly or not at all?

Answer 6

Hemophilia

Question 7

What disease affects the hemoglobin, the protein in a red blood cell?

Answer 7

Sickle cell anemia

Question 8

This disorder is caused by a recessive allele on X chromosome

Answer 8

Hemophilia

Question 9

This disorder is caused when an Extra copy of chromosome 21

Answer 9

Down’s syndrome

Question 10

This disorder is caused when recessive alleles have a removal of 3 DNA bases

Answer 10

Cystic fibrosis

Question 11

This disorder is caused by a codominant allele

Answer 11

Sickle cell anemia

Question 12

Wheat is also know. As 3 chromosome?

Answer 12

Trisomy 21

Question 13

What defects are common in Down’s syndrome

Answer 13

Heart defects

Question 14

Down’s syndrome most often occurs when chromosome fail to separate during

Answer 14

Meiosis

Question 15

What is a family tree that tracks members of a family that have a particular trait?

Answer 15

Pedigree

Question 16

Genetic counsellors use what tools to help them in their work?

Answer 16

Karyotypes, pedigree charts, Punnett squares

Question 17

Doctors use tools such as —- to help diagnosis genetic disorders

Answer 17

Karyotype

Question 18

What is a picture of all the chromosomes in a cell?

Answer 18

Karyotype

Question 19

What type of person makes both types of normal hemoglobin and abnormal hemoglobin will not have symptoms of sickle cell?

Answer 19

Heterozygous person

Question 20

Where does hemophilia happen more in

Answer 20

Males

Question 21

In the pedigree chart if it is all colored in it means the person

Answer 21

Has the trait

Question 22

In the pedigree chart if the shape is only half colored it in it means the person is a

Answer 22

Carrier

Question 23

In the pedigree chart shape is not colored in at all it means the person

Answer 23

Is neither a carrier or has the trait

Question 24

What does genetic counseling do?

Answer 24

Genetic counselor help couples understand their chances of having a child with a particular disorder

Question 25

What are the two major cause of a genetic disorder?

Answer 25

1. Mutations in DNA | 2. Changes in the number of chromosome

Question 26

What chromosome is for cystic fibrosis?

Answer 26

Chromosome 7

Question 27

What is the process of selecting organisms with desired traits to be the parents of the next generation.

Answer 27

Selective breeding

Question 28

What is the crossing of two individuals that have similar characteristics

Answer 28

Inbreeding

Question 29

What is the cross of two genetically different individuals

Answer 29

Hybridization

Question 30

Organism that has exactly the same genes as the organism from which it is produced

Answer 30

Clone

Question 31

Genes from one organism are transferred into the DNA of another

Answer 31

Genetic engineering

Question 32

Inserting a copy of a gene directly into a person's cells to replace the copy of the gene causing a disease

Answer 32

Gene therapy

Question 33

All the DNA in a cell

Answer 33

Genome

Question 34

Which of these traits is controlled by a gene with multiple alleles?

Answer 34

Blood type

Question 35

What is three or more forms of a gene that code for a single trait

Answer 35

Multiple alleles

Question 36

Why does height in humans have such a wide variety of phenotypes?

Answer 36

Height is controlled by at least 4 genes

Question 37

What factors can affect a person's height?

Answer 37

Both genes and environmental factors

Question 38

Which combination of sex chromosomes results in a male human being

Answer 38

XY

Question 39

Why are sex-linked traits more common in males than in females?

Answer 39

A recessive allele on the Y chromosome will always produce the trait in a male.

Question 40

One parent of a child has homozygous type A blood and the other has homozygous type B blood. What is the child's blood type

Answer 40

AB

Question 41

Sex linked genes are genes on

Answer 41

The X and Y chromosomes

Question 42

A carrier is a person who has

Answer 42

One recessive and one dominant allele for a trait

Question 43

What must occur for a girl to be colorblind?

Answer 43

Each parent must have a recessive allele for color blindness

Question 44

Which protein on the surface of a red blood cell would be positive?

Answer 44

Rh factor

Question 45

Which type of blood can a person with O- receive?

Answer 45

O-

Question 46

Which blood type is considered the universal receiver?

Answer 46

Ab+

Question 47

Which type of blood is considered the universal donor?

Answer 47

O-

Question 48

What is the goal of the human genome project?

Answer 48

To identify the DNA sequence of every human genome

Question 49

What are the 3 ways of producing organisms with desired traits?

Answer 49

Selective breeding, cloning, and genetic engineering