PRINCIPLES OF INHERITANCE AND VARIATION
Question paper designed by NAVAS CHEEMADAN (HSST ZOOLOGY-SOHSS AREEKODE)
TOTAL QUESTIONS: 45 TOTAL SCORE :180 Each question carry 4 score
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F2 generation in a mendalian cross showed that both genotypic and phenotypic ratios are same as 1:2:1. It represents a case of
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Clear selection
ABO blood group in human are controlled by the gene I. It has 3 alleles- IA, IB, and i. since there are 3 different alleles, 6 different genotypes are possible. How many phenotypes can occur?
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Which Mendelian idea is depicted by a cross in which the F1-generation resembles both the parents?
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Select the correct statement from the ones given below with respect to Dihybrid cross.
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Saihawal cows belongs to
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Recessive trait in pea plant selected by Mendel is
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Identify the process
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Captionless Image
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Monohybrid genotypic ratio?
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Mendel did not propose
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In a cross 42 tall and 14 dwarf plants were obtained. Genotype of parents are
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Mendel’s work was rediscovered in the year
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Back cross is
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Mating of an individual to a double recessive in order to determine it is homozygous or heterozygous for a character under consideration is called
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Mendel’s first law is called
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The ratio of 1:1:1:1 is obtained from a cross between the parents
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According to Mendel each trait is determined by a physical body called
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Dihybrid phenotypic ratio
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Female AaBb is crossed to male AAbb. The gamete will be
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Incomplete dominance is shown by
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Sickle cell anemia is one of the good example for which of the following
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A man with blood group B marries a woman with blood group A and their first child is having group B. what is the genotype of the child
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Skin color inheritance in man is
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Multiple effect of a gene is called
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The chromosome movement during meiosis had been worked out in the year
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experimental verification of the chromosomal theory of inheritance is done by
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84.Which of the following genotype does not produce any sugar polymer on the surface of the RBC?
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Who used the frequency of recombination between gene pair on the same chrosmome is a measure of distance between genes and mapped their position on chrosmome
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Point mutation is change which involves:
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The term linkage is coined by
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Total number of Autosome in man
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In male Y chromosome inherited from
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Sex chromosome of a female bird are represented by
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Henking is associated with
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Trisomy of which of the chromosome is involved in Down Syndrome
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Gynaecomastia is common among
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HBA1 and HBA2 are located on chromosome number
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Conditions of karyotype 2n+1 or 2n-1 are called
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PKU is a genetic disorder due to defect in metabolism of the following
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Which of the following is a sex linked recessive disorder
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The graphical representation to calculate the probability of all possible genotype of offspring in a genetic cross was developed by
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The nuclear structure observed by Henking in 50% of the insect sperm after spermatogenesis was
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Physical association of gene on a chromosome is called
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Chose the wrong statement
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A person affected with Phenyketonuria, lacks an enzyme that convert the amino acid phenyl alanine into
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In sickle cell anemia, the sequence of aminoacids from the firs to seventh position of the beta chain of Hb S (HbS) is
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