7th grade quiz T3-3

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7th grade quiz T3-3

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FOR ALL OF THE QUESTIONS BELOW, we are going to refer to 2 traits in Fraggles: straight hair (H) is dominant to curly hair (h). Round noses (N) are dominant to pointy noses (n). Which vocabulary word best describes what straight hair and pointy noses are?

1 point

Genes

Alleles

Genotypes

Nucleotide base pairs

Clear selection

Using the information from above, what is the correct genotype or genotypes for a Fraggle with straight hair?

1 point

HH or hh

HH or Hh

Clear selection

Using the information from above, what is the correct genotype or genotypes for a Fraggle with a pointy nose?

1 point

NN or nn

NN or Nn

Clear selection

A fraggle is born with the genotype HH and Nn. What phenotypes does this fraggle have?

1 point

They are straight haired and pointy nosed

They are straight haired and round nosed

They are curly haired and pointy nosed

They are curly haired and have no nose

Clear selection

A pointy nosed fraggle meets another pointy nosed fraggle and they marry and have fraggle babies. What is the liklihood their fraggle babies will have pointy noses?

1 point

25%

50%

100%

Clear selection

A fraggle with the heterozygous phenotype for hair meets a fraggle who is homozygous dominant for hair. What is the liklihood they will marry and have a fraggle baby with straight hair?

1 point

25%

50%

100%

Clear selection

A fraggle is homozygous reccessive for nose shape. What is that fraggle's genotype?

0 points

Other:

Clear selection

Two fraggles who are heterozygous for nose shape marry and have fraggle babies. What is the liklihood their baby will have a pointy nose?

1 point

25%

50%

100%

Clear selection

When you are solving a Punnett Square, you are making a ____________ about the genotypes of the offspring of two parents.

1 point

Calculation

Choice

Code

Prediction

Clear selection

Offspring inherit ____ allele(s) for each gene from their mom, and ____ allele (s) for each gene from their father.

1 point

Clear selection

Chromosomes are where all of the ______________ in the body are stored.

1 point

Phenotypes

Genotypes

White blood cells

Genetic information

Clear selection

BONUS: Red and Wembly are fraggles who decide to get married and raise fraggle babies. Red is heterozygous for straight hair and heterozygous for a round nose. Wembly is homozygous dominant for hair and homozygous recessive for a pointy nose. What is the percent liklihood that Red and Wembly's fraggle baby will have curly hair and a round nose?

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