6. A newborn baby got mixed up with other babies in a hospital. If the mother is of O blood group and is Rh +veand the father is of AB […]
Tag: CSIR NET Life Science Previous Year Questions and Solution Genetics
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CSIR NET Life Science Previous Year Questions and Solution on CONCEPTS OF GENE
Which baby belongs to AB Rh+ mother and O Rh– father?
5. The newborn baby of a mother having blood group AB, Rh+ and father having blood group O, Rh–, got mixed withother babies in the hospital. The baby with which […]
CSIR NET Life Science Previous Year Questions and Solution on CONCEPTS OF GENE
Can ABO blood groups alone identify parents when three babies are mixed up?
In a hospital three babies were mixed up. The blood group of the babies were A. B and AB. In order to identify the parents of the babies, the blood […]
CSIR NET Life Science Previous Year Questions and Solution on CONCEPTS OF GENE
Probability that the next daughter is normal‑vision, blood group O
3. The ABO blood type tn human is under the control of autosomal multiple alleles. Colour blindness is recessive X-linked trait. A male with a blood type A and normal […]
CSIR NET Life Science Previous Year Questions and Solution on CONCEPTS OF GENE
Possible father blood groups when mother is O and child is A
2. A mother of blood group O has a group A child. The father could be of blood type (1) A or B or O. (2) A only. (3) A […]
CSIR NET Life Science Previous Year Questions and Solution on CONCEPTS OF GENE
Difference between blood group A antigen and H antigen in type O blood
1. Blood group tupe A antigen is a complex oligosaccharide which differs from H antigen present in type O individual by the presence of terminal (1) Glucose (2) Galactose (3) […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Genotypes of white, sphere summer squash parents producing 1/4 white, 1/4 yellow sphere fruits
36. In summer squash, white colour fruit (W) is dominant over yellow colour (w) and disc-shaped phenotype (D) is dominant over sphere-shaped phenotype (d). Determine the genotype of the parents […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Determining parental genotypes from Drosophila progeny ratios (ebony and vestigial)
35. A phenotypically normal fruit fly was crossed to another fly whose phenotype was not recorded. Of the progeny, 3/8 were wild type, 3/8 had ebony body color, 1/8 had […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Probability that three F₂ pea plants are two dwarf and one tall
34. Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Probability that three children are two daughters and one son (1:1 sex ratio)
33. Assuming a 1 : 1 sex ratio. what is the probability that three children from the same parents will consist of two daughters and one son? (1) 0.375 (2) […]
