Genetics Test

Which of the following is a trait that you probably inherited?

• your taste in clothing 

• your favorite music  

• your eye color  

• your artistic talent

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The combination Tt represents a _____ genotype, where T means______, and t means________​ .​

• heterozygous: dominant; recessive

• purebred; recessive; dominant

• homozygous; dominant; recessive

• sex-linked; recessive; dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Flower color for a particular flower species is determined by one gene. There are two alleles for  this gene: yellow (Y) and white (y).  What offspring could result if a heterozygous yellow flower is crossed with a heterozygous yellow flower? What is the probability the offspring will be yy?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Flower color for a particular flower species is determined by one gene. There are two alleles for  this gene: yellow (Y) and white (y).  What offspring could result if a heterozygous yellow flower is crossed with a heterozygous yellow flower?  What is the probability the offspring will be white?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which combination will result in an organism expressing the recessive trait

coded by the recessive allele for that trait?

• Homozygous Dominant

• Heterozygous   

•  Homozygous Recessive

• Both Homozygous Recessive and Heterozygous

An organism whose genotype is Tt is considered a _________while an organism with the genotype tt is a__________.

• clone, asexual 

• hybrid, purebred 

• purebred, hybrid  

• pureblood, mudblood

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When 2 people are making a baby, what is the % chance of having a boy versus a girl?

• 50% : 50%  

•   75% : 25%  

• 25% : 75% 

•   100% : 0%

Tags

NGSS.HS-LS3-3

Which parent determines the sex of the offspring and why?

• The female because she carries the baby

• The male because he carries both X and Y

• The male, because he’s big and strong 

• The female because she carries both X and Y chromosomes

Tags

NGSS.HS-LS3-1

A strange disorder causing fingers to sprout out of one’s face is discovered to be dominant.  A heterozygous female marries a heterozygous male.  What percentage of the offspring will have fingers sprouting out of their face?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Dimples are dominant to no dimples.  Ben’s mom is heterozygous for dimples and his dad is homozygous dominant for the trait.  What genotypes can result from the cross of Ben’s parents?

• DD, dd    

• DD, Dd    

• DD, Dd, dd    

• all Dd

Tags

NGSS.HS-LS3-1