HARD
Earn 100

A condition where an individual heterozygous for two pairs of linked genes (AaBb) possesses the two dominant genes on one homologous chromosome pair and two recessive on the other it is said to be
(a)Cis-arrangement
(b)Trans-arrangement
(c)Partly cis partly trans
(d)More than one option is correct

50% studentsanswered this correctly
Important Questions on Principles of Inheritance and Variation
EASY

MEDIUM

EASY

MEDIUM

EASY

MEDIUM
The following family tree traces the occurrence of a rare genetic disease. The filled symbols signify the individuals with the disease, whereas the open symbols signify healthy individuals.
Based on this information, the disease is most likely to be:

EASY

MEDIUM

HARD

MEDIUM

MEDIUM
Assertion (A): The proportion of parental gene combinations was much lighter than non-parental type
Reason (R): Gene combination is due to linkage of the two genes

EASY

HARD

EASY

EASY
Give one significant difference between the following:
Linkage and crossing over

HARD

MEDIUM

EASY

EASY

HARD

