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Heredity

Test Description: Basic heredity questions

Instructions: Answer all questions to get your test result.

1) The chance that an event will take palce

Apossible Bmaybe Cprobability

2) Genetic engineering has already helped people by

AProducing medicine Bcuring Down Syndrome Caltering pedigrees Deliminating infantdeaths

3) In a Punnett square, a capital letter (S) stands for a _________ allele.

Adominant Bsex-linked Cheterozygous Drecessive

4) Color blindness is an expmaple of

Aa sex-linked disorder Ba genetic disorder Cincomlete dominance Dpolygenic ingeritance

5) The combination Mm represents a ______________ genotype

Ahomozygous Bheterozygous Cpurebred Dincomplete

6) An allele carried on a Y chromosome will affect

Aall of the male offspring. Bsome of the male and female offspring. Cnone of the offspring. Dall of the female offspring.

7) A chromosome disorder occurs when

Aone nitrogen base has been substituted for another. Bnone of the above Ca new organism receives more or fewer chromosomes than normal. Dmeiosis fails to occur.

8) blood type in humans is an example of

Aincomplete dominance. Bsex-linked inheritance. Cmultiple alleles. Dpolygenic inheritance.

9) What must be true of a person with cystic fibrosis?

ABoth parents had at least one allele for cystic fibrosis. BOne of the parents had the condition cystic fibrosis. CThe mother was a carrier for cystic fibrosis. DAt least one parent was a carrier for cystic fibrosis.

10) A pure bred red-flowering plant and a pure bred white-flowering plant cross. The offspring produce pink flowers. What pattern of inheritance is this?

Acomplete dominance Bpolygenic inheritance Cmultiple alleles Dincomplete dominance

*select an answer for all questions

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