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Bio B Review 2

Test Description: 2nd review

Instructions: Answer all questions to get your test result.

1) The founder of modern evolutionary theory is considered to be ______.

AAlexander Oparin BCharles Darwin CBill Nye DMrs. Vaughn

2) The blood types A, B, AB, and O are the result of ______ inheritance.

Asimple dominant Bsimple recessive Cmultiple allelic Dpolygenic

3) Leaves appear green because the green portion of the light that strikes them is ______.

Anobody knows why Babsorbed Creflected Dmagic

4) The process by which a DNA molecule is copied is called _______.

Abinary fission Bmeiosis Creplication Dmitosis

5) A child has a rare genetic disorder. Neither parent has this disorder. How did the child inherit it?

AThe disorder is dominant and carried by a parent BThe disorder is recessive and carried by both parents. CIt is a sex linked trait DThe disorder is a natural phenomenon

6) Individuals with Huntington's disease _______.

Afind breathing difficult and suffer frequent lung infections Bundergo progressive deterioration of the nervous system Cmust have frequent transfusions because their blood lacks a clotting factor Dsuffer from a form of aneuploidy

7) What is the main purpose of the Calvin Cylce or dark reaction?

Amake sugar Bdestroy CO2 Cproduce ATP Dsplit water

8) Upon close examination of the skeleton of an adult python, a pelvic girdle and leg bones can be observed. these features are an example of _____.

Ahomologous structure Bvestigial structure Cbuilding structure Danalogous structure

9) The gamete that contains genes contributed only by the mother is _______.

Asperm Bphenotypes Cgenotypes Degg

10) What type of selection favors one extreme trait?

Adirectional selection Bnatural selection Cdisruptive selection Dstabilizing selection

11) What type of selection favors average individuals?

Adirectional selection Bdisruptive selection Cnatural selection Dstabilizing selection

12) Hemophilia and color blindness are ________.

Acaused by a dominant gene Bcan be cured Clocated on the Y chromosome Dsex-linked conditions

13) What is the end result of frameshift mutation?

Anearly every amino acid in the protein will be changed Bonly one amino acid will change Cthere will be no affect Dthe organism will die

14) A phenotype that results from a dominant allele must have at least ___ dominant allele(s) present in the parent(s).

Atwo Bten Cone Dfour

15) Gel electrophoresis is a technique used to _____.

Ainject foreign DNA into animals Bseparate DNA by charge and length Ccut DNA into fragments of various sizes Dclone

16) An adaptation that allows an organism to blend into it's environment is _____.

Acamouflage Bartificial selection Cmimicry Dmagic

17) Cells containing two alleles for each trait are described as _____.

Ahaploid Bdiploid Chomozygous Dheterozygous

*select an answer for all questions

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