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……….is a recessive character in human be...

……….is a recessive character in human beings.
Absence of hair on arms
Black and curly hair
Free earlobe
Presence of hair on arms

A

Absence of hair on arms

B

Black and curly hair

C

Free earlobe

D

Presence of hair on arms

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…………is a dominant character in human beings. Non-rolling tongue Attached ear lobe Absence of hair on arms Free ear lobe

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CHETANA PUBLICATION-HEREDITY AND VARIATION-EXAMPLE
  1. ……….is a recessive character in human beings. Absence of hair on arms ...

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  2. Find the odd man out: Axillary flower, green pod, green seed, inflat...

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  3. Find the odd man out: Constricted pod, purple flower, axillary flowe...

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  4. Find the odd man out: Green seeds, wrinkled seeds, terminal flower, ...

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  5. Find the odd man out: Attached ear lobes, brown and straight hair, ...

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  6. Find the odd man out: Cystic fibrosis, albinism, spina bifida, sickl...

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  7. Find the odd man out: Hutchinson's disease, phenylketonuria, nightbl...

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  8. Give scientific reasons: DNA molecules are called as 'Master molecule...

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  9. Give scientific reasons: Phenotypic and genotypic ratios are differen...

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  10. Give scientific reasons: A carrier or sufferer of sickle-cell anaemia...

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  11. Give scientific reasons: Mitochondrial disorders are inherited from t...

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  12. Give scientific reasons: Tobacco smoking causes cancer.

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  13. Define the following terms : Gene

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  14. Define the following terms : Chromosome

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  15. Define the following terms : Genetics

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  16. Define the following terms : Heredity

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  17. Define the following: Homologous Chromosomes

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  18. Distinguish between: DNA and RNA

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  19. Distinguish between: Monohybrid Cross and Dihybrid Cross

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  20. Differentiate between Turner's syndrome and Klinefelter's syndrome.

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  21. Write short notes on: Down syndrome

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