Chapter 13

Question 1

Coded information in the form of hereditary units

Answer 1

Gene

Question 2

Gene’s specific location along the length of a chromosome

Answer 2

Locus

Question 3

Reproductive cells

Answer 3

Gametes

Question 4

Single individual passes down all copies of a gene without fusion of gametes

Answer 4

Asexual reproduction

Question 5

2 parents pass down a gene

Answer 5

Sexual reproduction

Question 6

How many chromosomes are in a human cell?

Answer 6

46

Question 7

Any cell in a multicellular organism except sex cells

Answer 7

Somatic cell

Question 8

Display of condensed chromosomes arranged in pairs

Answer 8

Karyotype

Question 9

What 3 things can be determined by a karyotype?

Answer 9

Size of chromosome, centromere position, pattern of stained bands

Question 10

2 chromosomes that have the same length, centromere position, and pattern of stained bands

Answer 10

Homologous chromosomes

Question 11

Cells that only have one of each homologous pairs

Answer 11

Haploid

Question 12

Cells that have two of each homologous pairs

Answer 12

Diploid

Question 13

Another term for a fertilized egg

Answer 13

Zygote

Question 14

Life cycle where there is a multicellular diploid form

Answer 14

Alternation of generations

Question 15

Alternative versions of a gene that produce distinguishable features

Answer 15

Alleles

Question 16

Pairing and physical connection of homologous chromosomes during prophase 1

Answer 16

Synapsis

Question 17

Exchange of genetic materials between nonsister chromatids

Answer 17

Crossing over

Question 18

X-shaped region where crossing over occurs

Answer 18

Chiasmata

Question 19

How many daughter cells are formed during meiosis?

Answer 19

4