Genetics is the study of __________.

inheritance of traits through genes

In complete dominance a dominant allele __________.

is always displayed or expressed

is shown using lower-case letters

Punnett squares __________.

show that offspring get the majority of their traits from one parent

show the possible genotypes and phenotypes of offspring

give the probability of an offspring having a certain phenotype or genotype

If you crossed a homozygous red and a homozygous white flower, what color flowers would you expect to see for their offspring if the gene controlling flower color was operating by incomplete dominance?

Red flowers and white flowers only

flowers with areas of red and areas of white, white flowers, and red flowers.

pink flowers, red flowers, and white flowers.

We want to figure out if a particular fish’s color displays codominance or incomplete dominance. So, we cross a homozygous red fish “R” with a homozygous blue fish “B”. If the fish’s offspring are purple, then __________.

It has to be incomplete dominance

It is not codominance or incomplete dominance because one allele is dominant and the other is recessive

It can be incomplete dominance or codominance

We want to figure out if a particular fish’s color displays codominance or incomplete dominance. So, we cross a homozygous red fish “R” with a homozygous blue fish “B”. If the fish’s offspring show areas of red and areas of blue then __________.

It has to be incomplete dominance

It is not codominance or incomplete dominance because one allele is dominant and the other is recessive

It can be incomplete dominance or codominance

We want to figure out if a particular fish’s color displays codominance or incomplete dominance. So, we cross a homozygous red fish “R” with a homozygous blue fish “B”. If all of the offspring are blue or all of the offspring are red then __________.

It is not codominance or incomplete dominance because one allele is dominant and the other is recessive

It has to be incomplete dominance

Not enough information is given to determine what it is

In humans, blood types are controlled by three alleles, A and B are codominant and o is recessive. A woman with blood type A has a child with a man who has blood type A as well. Which of the following would not be a possible phenotype of their child?

There is not enough information

In humans, blood types are controlled by three alleles, A and B are codominant and o is recessive. A woman with blood type A has a child with a man who has blood type B, their child has blood type O. What must be the genotypes of the parents?

There is not enough information

Genetics Review

Authored by Stephen Brown

Science

9th - 10th Grade

NGSS covered

Used 57+ times

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25 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the genotypes for a male that is a tongue roller, has no widow's peak, and has attached earlobes?

TT or Tt, hh, EE

Tt, Hh, ee

TT, hh, Ee

Tt, hh, ee

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the genotypes for a female that is a non-tongue roller, is heterozygous for widow’s peak, and has unattached earlobes?

tt, Hh or HH, EE or Ee

tt, HH, Ee or EE

tt, Hh, Ee or EE

TT, Hh, Ee or EE

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Two people with unattached earlobes have a child with attached earlobes. Select the correct genetic cross that shows the parents genotypes.

EE x Ee

Ee x Ee

Ee x EE

ee x ee

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Cross two heterozygous tongue rollers, what is the genotypic ratio?

1:2:1

3:1

2:2

1:1:1:1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Cross two heterozygous tongue rollers, what is the phenotypic percentage?

25%, 25%, 25%, 25%

50%, 50%

75%, 25%

100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. The genotype of the female is __________.

Dark Eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. The genotype of the male is __________.

Light eyes

Tags

NGSS.HS-LS3-1

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Genetics Review

What are the genotypes for a male that is a tongue roller, has no widow's peak, and has attached earlobes?

What are the genotypes for a female that is a non-tongue roller, is heterozygous for widow’s peak, and has unattached earlobes?

Two people with unattached earlobes have a child with attached earlobes. Select the correct genetic cross that shows the parents genotypes.

Cross two heterozygous tongue rollers, what is the genotypic ratio?

Cross two heterozygous tongue rollers, what is the phenotypic percentage?

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. The genotype of the female is __________.

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. The genotype of the male is __________.

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. What percentage of the offspring will have BB genotype?

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. What percentage of the offspring will have light eyes?

Use the letter B, cross a female that is heterozygous for dark eyes with a male that is homozygous for light eyes. What percentage of the offspring will have dark eyes?

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