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UHS Past Papers /
Biology /
Chap No 14 /
Quiz 2

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MDCAT - UHS Past Papers - Biology - Chap No 14 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Biology - Chap No 14 | Quiz 2

11. The idea of inheritance of acquired characteristics was presented by:

Jean Baptist Lamarck
Charles Darwin
Thomas Malthus
Alfred Wallace

12. The sex of individuals of next generation always depends on one of the parents who is:

Heterozygotic
Homozygotic
Isogametic
isomorphic

13. When a gene pair at one locus interacts with another gene at another locus,the interactions is called:

Dominance
Multiple alleles
Pleiotropy
epistasis

14. When a single gene affects two or more traits, the phenomenon is called:

Epistasis
Pleitropy
Dominance
Over Dominance

15. In men ,sex-determination depends upon the nature of:

Heterogametic male
Homogametic male
Heterogametic female
Homogametic male

16. Pure breeding lines of pea were taken regarding seed shape -round and wrinkled and were crossed with no intermediate b/w parents.All offspring found to be round. These results show:

Co-dominance
Incomplete Dominance
dominance over recessive
Over-Dominance

17. The condition in which the heterozygote has a phenotype intermediate b/w contrasting homozygous parents is called as:

Dominance
Incomplete dominance
Co-dominance
Over-Dominance

18. Locus stands for

Position of gene on homologous chromosome
Regions of chromosome
Close regions of same chromosome
Position of an allele within a DNA molecule

19. Chance of a Cross over between two loci is directly proportional to their

thickness
width
length
distance

20. Which of the following is multiple allelic character?

Color of flower in pea plant
Shape of seed in pea plant
blood group of human being
Length of stem in pea plant

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