1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

What is the expected percentage of F2 progeny with yellow and inflated pod in dihybrid cross experiment involving pea plants with green coloured, inflated pod and yellow coloured constricted pod?

A
9%
B
100%
C
56.25%
D
18.75%
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

If a female individual is with small round head, furrowed tongue, partially open mouth and broad palm with characteristic palm crease. Also the physical, psychomotor and mental development is retarded. The karyotype analysis of such an individual will show :

A
Trisomy of chromosome 21
B
47 chromosomes with XXY sex chromosomes
C
45 chromosomes with XO sex chromosomes
D
47 chromosomes with XYY sex chromosomes
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Select the incorrect match regarding the symbols used in the Pedigree analysis:

A
NEET 2022 Phase 2 Biology - Principles of Inheritance and Variation Question 16 English Option 1
B
NEET 2022 Phase 2 Biology - Principles of Inheritance and Variation Question 16 English Option 2
C
NEET 2022 Phase 2 Biology - Principles of Inheritance and Variation Question 16 English Option 3
D
NEET 2022 Phase 2 Biology - Principles of Inheritance and Variation Question 16 English Option 4
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

A normal girl, whose mother is haemophilic marries a male with no ancestral history of haemophilia. What will be the possible phenotypes of the offspring?

(a) Haemophilic son and haemophilic daughter.

(b) Haemophilic son and carrier daughter.

(c) Normal daughter and normal son.

(d) Normal son and haemophilic daughter.

Choose the most appropriate answer from the options given below:

A
(b) and (d) only
B
(a) and (b) only
C
(b) and (c) only
D
(a) and (d) only
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