MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Definition of Linkage and Linked Genes

AB genes are ...

Question

AB genes are linked. What is genotype of the progeny in a cross between AB/ab and ab/ab.

A

AABB and aabb

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

AaBb and aabb

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

AAbb and aaBB

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

AaBb and AaBb

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B AaBb and aabb
Linked genes occur on the same chromosome and do not separate during inheritance (complete linkage).

So, the correct answer is 'AaBb and aabb'.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab?

Q. A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab:

Q. In an experiment, individuals homozygous for 'ab' genes were crossed with wild type (++). The F

_{1}

hybrid thus produced was test crossed and progenies were produced in the following ratio:
++/ab 896
ab/ab 880
+a/ab 108
+b/ab 116

Calculate the distance between a and b genes.

Q. If two genes 'a' and 'b' are linked and show 20% recombination, the proportion of gemetes produced in

F_{1}

by a dihybrid ++/ab derived from a cross between ++/++ and ab/ab would be

Q. Two linked genes a and b show

20 %

recombination. The individuals of a dihybrid cross between

+

+ / +

+

\times

ab/ab shall show gametes.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Linkage and Crossing Over

BIOLOGY

Watch in App

explore_more_icon

Explore more

Definition of Linkage and Linked Genes

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon