Meiosis

Question 1

The maternal and paternal genomes are merged by

Answer 1

Sexual reproduction

Question 2

In anaphase II, the ……. separate along the……

Answer 2

centromeres, axis of the chromosomes

Question 3

In anaphase I, the centromere of each homologue migrate to the ……. forming a …..

Answer 3

Poles, half bivalent

Question 4

The centromere do not separate at anaphase I true/false

Answer 4

True

Question 5

The human mother and father genomes are capable of producing a random assortment of up to

Answer 5

2^23 different gametes

Question 6

There is a ……. Chance for mother and father chromosome to migrate to the same pole

Answer 6

50-50

Question 7

During metaphase I, the chromosomes align at an imaginary……. with the centromeres attached to the same……..

Answer 7

Equator, spindle fiber

Question 8

In metaphase I, Spindle fibers are attached to the poles created by the two pairs of ……

Answer 8

Centrioles

Question 9

At the end of telophase one, the chromosomes are at their….

Answer 9

Respective poles

Question 10

In some species, chromosome…… After telophase I called the……. phase

Answer 10

Disappear, interkinesis

Question 11

If cytokinesis occur at the end of telophase II, …… haploid chromosomes are produced which have just one member

Answer 11

4, each pair of homologous chromosome

Question 12

During prophase two, chromosomes which have disappeared during ……. appear as long, thin strands and each one is …..

Answer 12

Interkinesis, double-stranded

Question 13

The chromosomes shorten and thicken due to ….. and are aligned at the equator during……

Answer 13

Coiling, Metaphase II

Question 14

The centromeres are connected to the…..in metaphase II

Answer 14

Spindle fibers

Question 15

Sister chromatids at the end of anaphase II are referred to as

Answer 15

Daughter chromosomes

Question 16

Fertilization of male and female gametes produces

Answer 16

Zygote

Question 17

The genome of the parents are carried by the

Answer 17

Sex cells or gametes

Question 18

Meiosis reduces chromosomes from the diploid state 2n to

Answer 18

Haploid state n

Question 19

Meiosis consists of two cell divisions tagged

Answer 19

Meiosis 1 and meiosis 2

Question 20

Prophase I is made of of ……stages

Answer 20

5

Question 21

The first stage of prophase 1 is

Answer 21

Leptotene

Question 22

Chromosomes appear as long, thin, genius filaments with beady or bumpy look in

Answer 22

Leptotene

Question 23

The chromosomes are already…… at the beginning of prophase 1

Answer 23

Duplicated

Question 24

Homologous chromosomes at the zygotene stage are known as

Answer 24

Bivalents

Question 25

Homologous chromosomes pair, this process is called

Answer 25

Synapsis

Question 26

Synapsis is mediated by

Answer 26

Synaptonemal complex

Question 27

The synamtonemal complex breaks down but chromosomes are still attached the the point of exchange called....... during.....

Answer 27

Chiasmata. Diplotene

Question 28

The peeling of the chiasmata towards the end of the chromosomes is known as ......

Answer 28

Chiasmata tetminalisation

Question 29

Chiasmata terminalisation occurs at the stage.....

Answer 29

Diakinesis

Question 30

Crossing over is the main feature of the stage.....

Answer 30

Pachytene

Question 31

Crossing over is the exchange of parts between ......

Answer 31

Non-sister chromatids

Question 32

At pachytene stage, the chromosomes are visible as four strands called

Answer 32

Tetrads