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Multiple Choice Quiz on Genetics

This quiz is designed to assess your basic knowledge in 'Genetics’. Questions come under ‘easy’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'. Percentage score will be displayed along with right answers.
Gregor Mendel

1. The contrasting pairs of factors in Mendelian crosses are called
alloloci
multiple allele
alleleomorphs
paramorphs
2. An organism with two identical alleles is
dominant
hybrid
heterozygous
homozygous
3. The allele which is unable to express its effect in the presence of another is called
codominant
recessive
supplementary
complementary
4. A dihybrid condition is
dominance
segregation
polygenic innheritance
independent assortment
5. According to Mendelism which character shows dominance?
wrinkled seeds
green pod colour
green colour in seed coat
terminal position of flower
6. When a single gene influences more than on trait it is called
epistasis
pleiotrophy
pseudodominance
none of these
7. Phenotype of an organism is the result of
genotype and environment iteractions
mutations and linkages
cytoplasmic effects and nutrition
environmental changes and sexual dimorphism
8. Text cross involves
crossing between two genotypes with dominant trait
crossing between two genotypes with recessive trit
crossing the F1 hybrid with a double recessive genotype
crossing between two F1 hybrids
9. Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as
test cross
dihybrid cross
reciprocal cross
reversal cross
10. When dominant and recessive alleles express itself together it is called?
dominance
pseudo dominance
co dominance
amphidominance
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