Chapter 10

Question 1

Contains 1 set of chromosomes from the ovum and 1 set of chromosomes from the sperm

Answer 1

Zygote

Question 2

Each set is a _______pair of chromosomes

Answer 2

Homologous

Question 3

Reduction division

Answer 3

Meiosis

Question 4

______=reproductive =1n cells=ovum/sperm

Answer 4

Gametes

Question 5

The code for correct amino acid sequence in proteins

Answer 5

Nucleotide sequence

Question 6

The version of information for making a specific protein

Answer 6

Allele

Question 7

Correct number of chromosomes is

Answer 7

Euploid

Question 8

Changes to euploid ex:monosomies and trisomies

Answer 8

Aneuploidy

Question 9

Each DNA section that gives information for making a person correctly

Answer 9

Gene

Question 10

Homologous chromosomes line up across from one another along the metaphase plate is

Answer 10

Metaphase 1

Question 11

Homologous chromosomes are split

Answer 11

Anaphase 1

Question 12

Nucleus reforms around one set of chromosomes

Answer 12

Telophase 1

Question 13

Moving day DNA

Answer 13

Heterochromatin

Question 14

A short rest period prior to second nuclear division occurring in meiosis II

Answer 14

Interkinesis

Question 15

Called bivalent because there are

Answer 15

2 chromosomes

Question 16

Called a tetrad because there are

Answer 16

Sister chromatids in each chromosome

Question 17

What phase are Sister chromatids are separated

Answer 17

Anaphase II

Question 18

Nucleus reforms around 1 set of sister chromatids

Answer 18

Telophase II

Question 19

1n chromosomes (1complete set) line up at the metaphase plate

Answer 19

Metaphase II

Question 20

A life _____refers to all reproductive events between one generation and next

Answer 20

Cycle

Question 21

Changes in chromosomes number/structure or gene

Answer 21

Mutation

Question 22

Failure of one or more chromosomes to separate during meiosis. Causes an abnormal chromosome number in gametes produced.

Answer 22

Nondisjunction

Question 23

Genotype xxy. Testes and prostate are underdeveloped, no facial hair, and affected individuals are sterile males

Answer 23

Klinefelter syndrome

Question 24

An individual has only one of a particular type of chromosome

Answer 24

Monosomy

Question 25

An individual has three of a particular type of chromosome

Answer 25

Trisomy

Question 26

Euploid is

Answer 26

Correct number of chromosomes

Question 27

Three sets of 21 chromosomes, eyelid fold, stubby fingers, round head, flat face, short stature, Palmer crease, tendency for fast aging, leukemia, cataracts, and mental retardation

Answer 27

Down syndrome

Question 28

Male and female have one functioning X chromosome and extra chromosome is inactive is called

Answer 28

Barr bodies

Question 29

Short, broad chest, skin on back of neck, ovaries are never functional, do not undergo puberty, have only one sex chromosome, affected individuals are sterile females

Answer 29

Turner syndrome

Question 30

Translocation syndrome examples are

Answer 30

Down syndrome, alagille syndrome, and certain types of cancer

Question 31

Abnormalities of eyes, internal organs, severe itching, translocation between chromosome 2 and 20

Answer 31

Alagille syndrome

Question 32

Segment is removed from one and inserted into another nonhomologous chromosome

Answer 32

Translocation

Question 33

Mental retardation, facial abnormalities, abnormal glottis and larynx resulting in a cry resembling that of a cat, chromosome 5 missing end piece

Answer 33

Cri du chat syndrome

Question 34

End of a chromosome breaks off

Answer 34

Deletion

Question 35

Sometimes called supermales, two Y chromosomes instead of one, are fertile, suffer from persistent acne, males are usually taller than average, and tend to have speech and reading problems

Answer 35

Jacobs syndrome

Question 36

Large hands and feet, long arms, breast development, slow but not retarded unless ▶️2X

Answer 36

Klinefelter syndrome

Question 37

Deletion syndrome examples are

Answer 37

Williams syndrome, and Cri du chat syndrome

Question 38

Turned up noses, pixie like face, wide mouth, small chin, chromosome 7 loses end piece, large ears, poor academic skills, excellent verbal and musical abilities

Answer 38

Williams syndrome

Question 39

A chromosomal segment occurs more than once in same chromosome. Occurs in several ways: a broken segment from one chromosome can attach to its homologue, or unequal crossing over may occur

Answer 39

Duplication

Question 40

A segment that has become separated from the chromosome is reinserted at the same place but in reverse, the position and sequence of genes are altered is called

Answer 40

Inversion

Question 41

Serve to discard unnecessary chromosomes, keeps most of the cytoplasm in the now larger egg, cytoplasm serves as a source of nutrients for the developing embryo

Answer 41

Polar bodies