Exam 2 Part 3

Question 1

How many pairs of chromosomes do we have?

Answer 1

23 pairs

Question 2

Location on a chromosome

Answer 2

Locus

Question 3

What makes up a genome in humans?

Answer 3

3 billion base pairs

Question 4

What are some symptoms of sickle cell anemia?

Answer 4

Fatigue, pain, ulcers, sores, stroke, paralysis

Question 5

What causes sickle cell anemia?

Answer 5

Homozygous recessive gene (aa)

Question 6

Who is resistant to malaria?

Answer 6

Heterozygous (Aa)

Question 7

Who is more likely to catch malaria and kills faster than sickle-cell

Answer 7

Homozygous dominant (AA)

Question 8

Genes that are found on the non-sex chromosome

Answer 8

Autosomes

Question 9

What are some types of diseases that are autosomal dominant?

Answer 9

Marfan syndrome, Achondroplasia dwarfism

Question 10

Most affected individuals children of unaffected parents;

Answer 10

Autosomal recessive

Question 11

What are some diseases that are autosomal recessive?

Answer 11

Albinism, cystic fibrosis, sickle cell anemia

Question 12

All affected males produce affected daughters but not sons

Answer 12

X-linked chromosomes

Question 13

All affected males inherit allele from mothers; if males inherit this allele, they are affected

Answer 13

X-linked recessive

Question 14

Sons of heterozygous female have __% chance of inheriting disease

Answer 14

50

Question 15

What are some diseases caused by x-linked recessive traits?

Answer 15

Color blindness, hemophilia, muscular dystrophy

Question 16

X-linked dominant traits are common in _____.

Answer 16

daughters

Question 17

X-linked recessive traits are common in _____.

Answer 17

Sons

Question 18

All of the children of an afflicted female will be affected

Answer 18

Mitochondrial