MCQ
From a cross $Aa\ BB × aa\ BB$, following genotypic ratio will be obtained in $F_1$ generation
- ✓$1\ Aa\ BB : 1\ aa\ BB$
- B$1\ Aa\ BB : 3\ aa\ BB$
- C$3\ Aa\ BB : 1\ aa\ BB$
- DAll $Aa\ BB$ : No $aa\ BB$
✓
Answer
Correct option: A.
$1\ Aa\ BB : 1\ aa\ BB$
a
(a) $AaBB × aaBB$
(a) $AaBB × aaBB$
Gametes for $F_1 = AB, aB$ and $aB, aB$
After crossing $= AaBB, aaBB$
Ratio $= 1 : 1$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Action potential in sarcolemma of muscles causes the release of
Which of the following sexually transmitted diseases do not specifically affect reproductive organs?
Inner to hilum of the kidney, there is a broad funnel-shaped space called
Kidneys are organs of excretion in
Oxygen can be stored in
Which of the following are the properties of neural system?
Assertion : Our body secretes adrenaline in intense cold.
Reason : Adrenaline raises metabolic rate
Reason : Adrenaline raises metabolic rate
Assertion : The person with diabetes insipidus feels thirsty.
Reason : A person with diabetes insipidus suffers from excess secretion of vasopressin
Reason : A person with diabetes insipidus suffers from excess secretion of vasopressin
Common trait amongst fishes, amphibians and reptiles is
Study the given pedigree chart and select the correct option of the given question.
→$(1)$ Is the trait recessive of dominant ?
$(2)$ is the trait sex linked or autosomal ?