Biology Form IV - Test

Biology test 3 -[Form IV]

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1.......... is crossing between individual with unknown genotype and homozygous recessive

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c. test crossing - CORRECT!

A. best crossing

B. family crossing

C. test crossing

D. back crossing

2......... is the inheritance of double contrasting characterics

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d. dihybrid inheritance - CORRECT!

A. multihybrid inheritance

B. monohybrid inheritance

C. double inheritance

D. dihybrid inheritance

3..... is ability of individual to roll their tongue

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a. tongue rolling - CORRECT!

A. tongue rolling

B. haemophilia

C. sicle cell anaemia

D. albinism

4........ is a characteristic carried on the sex chromosome

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c. sex linked trait - CORRECT!

A. heterozygous

B. sex linked gene

C. sex linked trait

D. linkage

5........ is the inability of individual to distinguish colour

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c. phenotype - CORRECT!

A. color blinder

B. colouring

C. colour blindness

D. colour vision problem

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• test yourself

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