Chromosomes, Cell Division, Meiosis

Question 1

What’s the rpt seq of telomere

Answer 1

5’-TTAGGG-3’

Question 2

Which chromatin is silenced, condensed and not transcribed?

Answer 2

Heterochromatin

Question 3

Which phase of Mitosis is chromosome most visible and condensed?

Answer 3

Metaphase

Question 4

Which phase of Mitosis is chromosome aligned at equator?

Answer 4

Metaphase

Question 5

Which phase of Mitosis does sister chromatid separate?

Answer 5

Anaphase

Question 6

Repeated DNA seq - not transcribed and commonly found in centromere/telomeres/heterochromatin

Answer 6

Micro Satellite DNA

Satellite DNA

Question 7

p arm = q arm

Answer 7

metacentric

Question 8

p arm shorter, q arm longer

Answer 8

submetacentric

Question 9

p arm (satellite)

Answer 9

acrocentric

Question 10

Chemical added to enrich chromosome at metaphase in analysis

Answer 10

Colchicine

Question 11

Meiosis (I)

Answer 11

Recombination between non-sister chromatid - prophase 1

Question 12

How many gamete/ spermatids produced per meiosis cycle?

Answer 12

4

Question 13

How many gamete/ ovum produced per meiosis cycle?

Answer 13

1 ovum + 3 polar bodies