When two genes are situated very close to each other in a chromos… - Vidyadip

MCQ

When two genes are situated very close to each other in a chromosome

A
The percentage of crossing over between them is very high
✓
Hardly any cross over are detected
C
No crossing over can take place between them
D
Only double cross overs can take place between them

✓

Answer

Correct option: B.

Hardly any cross over are detected

b
(b) Frequency of crossing over is proportional to the distance of gene.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from

Which one of the following items gives its correct total number?

$VAM$ represents

Which of the following characteristics is mainly responsible for diversification of insects on land?

Refer the given figure of female reproductive system of cockroach and identify the correct labels (marked as $1,2,3$ and 4) which are collectively called genital pouch.

The symptom of common cold are:
(a) Nasal congestion
(b) Sore throat
(c) Hoarseness
(d) Cough
(e) Headache

When an impulse passes, the membrane is depolarized and the charge of the cells is

Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively

Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:

Column $I$	Column $II$
$(a)$Tidal volume	$(i)$ $2500-3000\,mL$
$(b)$Inspiratory Reserve volume	$(ii)$ $1100 -1200\,mL$
$(c)$Expiratory Reserve volume	$(iii)$ $500 -550\,mL$
$(d)$ Residual volume	$(iv)$ $1000-1100\,mL$

Which of the following is not the result of convergent evolution?