Ch 8 And Ch 9 | Mitosis And Meiosis

Front 1

Whichone of the following is a function of mitosis? Mitosis helps organisms

Back 1

A) grow.

B) regenerate lost parts.

C) reproduce asexually.

D) repair tissues.

E) All of the choices are correct.

Front 2

Thecreation of offspring carrying genetic information from just a single parent iscalled

Back 2

asexual reproduction.

Front 3

Agenome is

Back 3

the complete set of an organismgenetic material

Front 4

Genesare

Back 4

A. located in chromosomes

B. aligned in linear sequence inchromosomes

C. inherited in the same way aschromosomes D. all of these

Front 5

Asomatic cell having two of each type of chromosome has a/an____ chromosomenumber

Back 5

A. diploid

Front 6

Agamete having a single set of chromosomes has a/an____ chromosome number

Back 6

haploid

Front 7

Whichof these is absolutely necessary for sexual reproduction but it is notnecessary for organisms that reproduceasexually?

Back 7

meiosis

Front 8

Ifone organism have 50 chromosomes, howmany of these come from the father?

Back 8

25

Front 9

Theoffspring of two individuals usually receivesone gene for each trait from

Back 9

each of the parents

Front 10

Eukaryoticcells spend most of their cell cycle in which phase?

Back 10

interphase

Front 11

Beforemitosis can take place

Back 11

theDNA must duplicate

Front 12

Sisterchromatids are

Back 12

tightlylinked together at a centromere

Front 13

Maturehuman nerve cells and muscle cells

Back 13

are permanently in a state ofnon-division because they cease dividing after maturing.

Front 14

Thenumber of chromosomes found in a eukaryotic cell

Back 14

iscut in half by meiosis

Front 15

Whichof the following best describes what occurs during interphase?

Back 15

cell growth and duplication of thechromosomes

Front 16

Whatis mitosis?

Back 16

the process of nuclear division thatreduces the number of chromosomes in theresulting cells by half

Front 17

Duringwhich phase of mitosis do the chromosomes line up on a plane locatedequidistant from the two spindle poles?

Back 17

metaphase

Front 18

Duringwhich phase of mitosis does the nuclear envelope re-form, the spindle breaksapart and the nucleoli reappear?

Back 18

telophase

Front 19

Which of the following is not a stage ofmitosis?

Back 19

interphase

Front 20

Whichof the following is likely to account for the difference between plant andanimal cell cytokinesis?

Back 20

Plant cell division must maintain the integrity of the cell wall.

Front 21

Abenign tumor differs from a malignant tumor in that a benign tumor

Back 21

does not metastasize.

Front 22

Sexualreproduction in plants and animals involves the production of gametes through aspecial type of division called

Back 22

meiosis

Front 23

If aparent cell has 16 chromosomes and undergoes meiosis, the resulting cells willhave how many chromosomes?

Back 23

8

Front 24

If a parent cell has 16 chromosomesand undergoes mitosis, how many chromosomes will each resulting cell have?

Back 24

16

Front 25

Theproduct of meiosis in an animal is

Back 25

gamete

Front 26

Homologouschromosomes

Back 26

A. may exchange parts during meiosis

B. have alleles for the samecharacteristics even though the gene expression may not be the same

C. are in pairs, one chromosome fromthe father and one from the mother

D. pair up in meiosis

Front 27

Homologouschromosomes___

Back 27

carry the same gene sequence

Front 28

Crossingover occurs during__

Back 28

prophase I

Front 29

During which two stages of meiosis “variety” is introduced ?

Back 29

prophaseI and metaphase I

Front 30

Mitosisresults in _____ while meiosis results in _______.

Back 30

two diploid cells; four gametes

Front 31

Akaryotype

Back 31

isa visual display of chromosomes arranged by pairs

Front 32

Becausecancer is unrestrained cell division, cancer research today focuses mainly onthe topic of__

Back 32

control of the cell cycle

Front 33

Homologouschromosomes exchange segments during____

Back 33

prophaseI

Front 34

Whenhomologous chromosomes or sister chromatids fail to separate duringmeiosisthis is__

Back 34

nondisjunction

Front 35

Thestage of meiosis when crossing over occurs is____.

Back 35

prophaseI

Front 36

is tosomatic cells as haploid is to

Back 36

mitosis; meiosis

Front 37

Buddingand fragmentation are forms of

Back 37

asexual

Front 38

Ahuman cell contains 22 autosomes and the X and Y chromosome are the

Back 38

sex chromosome

Front 39

Aliver cell from a human male has

Back 39

22 pairs of autosomes, an X chromosome, and a Y chromosome.

Front 40

Akaryotype would be unable to determine

Back 40

eye color

Front 41

Whatis the sex chromosome complement of a human female?

Back 41

XX

Front 42

Aslightly different form of a gene or another member of a given pair is called

Back 42

alleles

Front 43

Whatevent typically begins by the end of telophase in mitosis?

Back 43

cytokinesis

Front 44

Whatis the function of cyclin-dependent kinase complexes?

Back 44

restraining the growth and divisionof the cell

Front 45

Withthe exception of identical twins, siblings who have the same two biologicalparents are likely to look similar, but not identical, to each other becausethey have

Back 45

a similar but not identicalcombination of genes.

Front 46

Histone

Back 46

Spool

Front 47

Sister Chromosomes

Back 47

Doubled up Chromosome

Front 48

Cytokinesis

Back 48

Division of cytoplasm

Front 49

Interphase

Back 49

G1, S, G2

Front 50

PMAT

Back 50

Prophase

Metaphase

Anaphase

Telophase

Front 51

Apoptosis

Back 51

Suicide, Cell Death

Front 52

Telomere

Back 52

end of chromosomes if it gets shorter then