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Posted Date: 30 Jul 2011 Posted By:: Dr. Ashish C Patel Member Level: Gold Points: 5 (₹ 1)
2010 Sardar Krushinagar Dantiwada Agricultural Uiversity Health and Wellness Bachelor of Veterinary Science & Animal Husbandry Semester End Practical Examination Question Paper University Question paper
Semester End Practical Examination
AGB – 211(2+1)
Q. 1. In guinea pigs rough coat is due to dominant allele 'R' and its recessive allele 'r'
produces smooth coat. A homozygous rough coat animal is mated with smooth
coat animals. (4.0)
a) What will be the appearance of F1 and F2 offspring?
b) What is probability of getting male smooth and black offspring in F2?
Q. 2. In fowl the shape of comb is governed by pairs of genes in such a way that, fowl
having rrpp genotype will show single comb, R_P _ genotype will show walnut
comb, rrP _ genotype will show pea comb and R_ pp genotype will show rose
a) What will be the shape of comb and in what proportion in F1 and F2
generations, produced from a cross between pure rose combed and pure pea
Q. 3. Under the assumption of complete dominance for all the gene pairs, answer the
following questions for cross between Aa BB Cc X Aa Bb Cc (3.0)
i) Number of different types of gamates produced by each parent.
ii) Number of genotypic and phenotypic classes in progenies.
iii) Proportion of progenies representing all dominant traits.
Q. 5. Write down few outline about different stages of meiosis prophage I. (2.0)
Q. 6. A. Practical record. (3.0)
B. Viva (5.0)
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