4A

Question 1

____ are found inside the nucleus

Answer 1

chromosomes

Question 2

____ and ____ are multi folded

Answer 2

DNA and Proteins

Question 3

Prokaryotes’ DNA are found in ____

Answer 3

nucleoid region

Question 4

Eukaryotes’ chromosomes are visible during ____

Answer 4

cell division

Question 5

At the beginning of mitosis chromosomes are seen to consist of ____

Answer 5

two threads (sister chromatids)

Question 6

Daughter chromatids are bound at the ____

Answer 6

centromere

Question 7

____ at ends of chromosomes are TTAGGG sequence

Answer 7

Telomeres

Question 8

____ is where microtubules attach during mitosis

Answer 8

Kinetochore

Question 9

Telomere shortening is important in ____

Answer 9

aging

Question 10

Four Chromosome structures

Answer 10

Metacentric, Submetacentric, Acrocentric, Telocentric

Question 11

A specific region of the eukaryotic chromosomes where kinetochore is found

Answer 11

centromere

Question 12

Cell Division- phase where organisms copy their chromosomes and grow to mature size

Answer 12

interphase

Question 13

Cell Division- nucleus divides, distributing the chromosomes into two equal groups

Answer 13

mitosis

Question 14

Cytoplasm divides each part taking a nucleus

Answer 14

cytokinesis

Question 15

No. of Hours in cell division

Answer 15

5, 7, 3, 1 respectively

Question 16

Results in the production of two daughter cells

Answer 16

mitosis

Question 17

Result in the production of germ (sex) cells

Answer 17

meiosis

Question 18

Crossing over results in enormous ___ amongst the sex cells.

Answer 18

variation

Question 19

Substages of prophase 1

Answer 19

Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis

Question 20

Homogametic sex chromosomes

Answer 20

XX

Question 21

Heterogametic sex chromosomes

Answer 21

XY