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Sunday, January 06, 2008

The long and short arms of chromosomes are designated respectively as q and p arms

012. The long and short arms of chromosomes are designated respectively as :

1. p and q arms.

2. m and q arms.

3. q and p arms.

4. l and s arms.

Answer

3. q and p arms.

Reference:

Robbins 7th Edition Page 171

Quality

Spotter

Status

Repeat

QTDF

All books

Discussion

Short arm of the chromosome is designated p (for petit) and the long arm is referred to as q (The next letter of alphabet)

Explanation

Self Explanatory

Comments

Petit means small in French

Tips

Chromosome Number

Type

Characteristic features

1–3

A

Large metacentric chromosomes

4–5

B

Large submetacentric chromosomes

6–12 + X

C

Metacentrics of medium size

13–15)

D

Medium-sized acrocentrics with satellites (and nucleolar organizing centres)

16–18

E

Shorter metacentrics (No. 16) or submetacentrics (Nos. 17 and 18)

19–20

F

Shortest metacentrics

21–22 + Y

G

Short acrocentrics, 21 and 22 with satellites (and nucleolar organizing centres), Y without satellites

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