Sardar Krushinagar Dantiwada Agricultural Uiversity Health and Wellness Semester End Practical Examination Question Paper University model question papers



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Posted Date: 30 Jul 2011      Posted By:: Dr. Ashish C Patel    Member Level: Gold  Points: 5 (₹ 1)

2011 Sardar Krushinagar Dantiwada Agricultural Uiversity Health and Wellness Bachelor of Veterinary Science & Animal Husbandry Semester End Practical Examination Question Paper University Question paper



Course: Bachelor of Veterinary Science & Animal Husbandry   University/board: Sardar Krushinagar Dantiwada Agricultural Uiversity






Semester End Internal Practical Exam

PRINCIPLES OF GENETICS AND POPULATION GENETICS

(AGB-121: 2+1=3) Marks: 20.00

Q. 1. Write chromosome numbers found in liver cells of Riverine Buffalo, Mule,
Dog, Drosophila and Pig. (1.5)

Q. 2. In snapdragon, flower colour is determined by a pair of factors in such a way that
RR, Rr and rr genotypes produce red, pink and white flowers, respectively. Two
pink flower plants were self fertilized.

a) Give genotypic and phenotypic ratio in progeny plants.

b) If pink flower plants are test croseed, give expected phenotypic proportion in
the progeny.
(2.0)
Q. 3. Under assumption of complete dominance for all gene pairs, answer the questions
for Aa bb CC Dd Ee x Aa BB cc Dd Ee cross.

a) No. of different types of gametes produced by each parent.

b) Proportion of progenies expressing all dominant traits.

c) Proportion of progenies which breed true? (3.0)

Q. 4. Determine the genotypes of the parents, when rose combed male crossed with a pea
combed female produces six walnuts combed and five rose combed offspring. (2.0)

Q. 5. A fully heterozygous gray bodied and normal winged female F1 generation fruit
fly, when crossed with black bodied and vestigial winged male, the proportion of
the offsprings in different classes was as follows:
Gray normal – 13, Gray vestigial- 117, Black normal- 104, Black vestigial - 16
Do these two gene pairs assort independently? If not, find out the cause for the
same. (Black body and vestigial wing are recessive characters). (4.0)

Q. 6. A bald man whose father was non bald marries a non bald women whose mother
was bald. If they have 2 sons and 1 daughter what will be expression of character in
their children? Also assign the genotype of all the persons in picture. (2.0)

Q. 7. Practical Record (1.5)

Q. 8. Viva voce (4.0)



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