Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c....
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![Page 1: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/1.jpg)
Which trait is controlled by a gene with multiple alleles?
a. Blood type
b. Straight hairline
c. Smile dimples
d. widow’s peak
![Page 2: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/2.jpg)
A. Blood type
![Page 3: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/3.jpg)
What are multiple alleles?
a. More than 2 genes for a trait
b. Three or more chromosomes that determine a trait
c. 2 codominant genes
d. 3 or more forms of a gene that code for a single trait
![Page 4: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/4.jpg)
D. 3 or more forms of a gene that codefor a single trait
![Page 5: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/5.jpg)
Why does height in humans have such a wide variety of phenotypes?
A. Controlled by a recessive allele
b. Has only 2 alleles
c. Controlled by sex-linked genes
d. Controlled by at least 4 genes
![Page 6: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/6.jpg)
D. Controlled by at least 4 genes
![Page 7: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/7.jpg)
What controls variations in skin color among humans?
a. Multiple alleles
b. A person’s diet
c. Two alleles of a single gene
d. At least 3 genes
![Page 8: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/8.jpg)
D. At least 3 genes
![Page 9: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/9.jpg)
What human trait is altered by variations in the environment?
a.Smile dimples
b.Blood type
c. Height
d. Skin color
![Page 10: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/10.jpg)
c. Height
![Page 11: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/11.jpg)
What is a pedigree?
A. Chart tracking family members that have a certain trait
b. Picture of chromosomes
c. Geneticist studying traits
d. Allele passed from parent to offspring
![Page 12: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/12.jpg)
A. Chart tracking family members that have a
certain trait
![Page 13: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/13.jpg)
Genetic disorders are caused by
a. Dominant alleles
b. Pedigrees
c. sickle-shaped cells
d. mutations
![Page 14: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/14.jpg)
d. mutations
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Down Syndrome occurs when
A. A person inherits a recessive allele
b. Sickle-shaped cells get stuck in blood vessels
c.chromosomes fail to separate properly
d. blood does not clot properly
![Page 16: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/16.jpg)
c.chromosomes fail to separate properly
![Page 17: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/17.jpg)
Why are sex-linked traits more common in males than females?
a.All alleles on the X are dominant
b. All alleles on the Y are recessive
c. A recessive on the X produces the trait in a male
d. The X and Y are codominant
![Page 18: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/18.jpg)
c. A recessive on the X produces the trait in a
male
![Page 19: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/19.jpg)
What is a karyotype?
A.blood from a new born baby
b. Fluid surrounding an unborn baby
c. Picture of chromosomes in a cell
d. Picture of a baby before it is born
![Page 20: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/20.jpg)
c. Picture of chromosomes in a cell
![Page 21: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/21.jpg)
Cloning results in organisms that are
a. Genetically similar
b. Produced from cuttings
c. Both adult mammals
d. Genetically identical
![Page 22: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/22.jpg)
d. Genetically identical
![Page 23: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/23.jpg)
No two people have the same DNA except for
a.Brothers
b.Sisters
c.Identical twins
d. Crime suspects
![Page 24: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/24.jpg)
c. Identical twins
![Page 25: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/25.jpg)
Which form of selective breeding crosses genetically different individuals in an attempt to keep the best traits of both parents?
a.Hybridization
b. inbreeding
c.Cloning
d.Genetic engineering
![Page 26: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/26.jpg)
a.Hybridization
![Page 27: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/27.jpg)
What is a genome?
A.All the plasmids from splicing DNA in a cell
B.All the DNA in one cell of an organism
C.All the karyotypes in a cell
D.All the cells produced during meiosis
![Page 28: Which trait is controlled by a gene with multiple alleles? a. Blood type b. Straight hairline c. Smile dimples d. widow’s peak.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bfe81a28abf838cb5f0e/html5/thumbnails/28.jpg)
b.All the DNA in one cell of an organism