In Giraffes, tall necks (T) is dominant over short necks (t). When a heterozygous Tall necked giraffe is mated with a short necked giraffe, what is the phenotype ratio of the offspring?

50% Tall necked 50% short necked

75% Tall necked 25% short necked

25% Tall necked, 75% short necked

Colorblindness is sex-linked recessive. A woman who is colorblind has a baby with a man who has normal vision. What are the phenotypes of the offspring?

Colorblind Males; Normal Females

Normal Males; Colorblind Females

Roses show incomplete dominance. Red rose (RR), yellow roses (YY), orange roses (RY). If you cross a homozygous dominant rose with a homozygous recessive rose, what would the genotype and phenotype be?

100% of the offspring would be genotype RY and phenotype of orange flowers

100% of the offspring would be phenotype RY and genotype of orange flowers

50% would be genotype RR and phenotype Red; 50% would be genotype YY and phenotype yellow

50% would be phenotype RR and genotype Red; 50% would be phenotype YY and genotype orange

Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:

the male is heterozygous and the female is heterozygous.

the male is heterozygous and the female is homozygous.

the male is homozygous and the female is heterozygous.

the male is homozygous and the female is homozygous.

The original DNA was AAA. After a mutation is it AAG. How will this affect the organism?

It has no affect on the organism because the amino acids did not change

It will be harmful because it stopped the amino acids from being made

It will be helpful because it created a new amino acid

We cannot tell how it affects the organism

A man developed skin cancer from standing in the sun too long. Will this affect her future children?

No, because it did not change her egg cells

No, because cancer is not genetic

Yes, because she passes down all traits to children

Yes, because cancer affected her skin

Big eyes in aliens is the common phenotype in aliens. What event most likely explains the small eyes being seen?

A change in DNA of the alien (mutation)

An insertion of new DNA from another organism

A change in location of that gene

Genetics

Authored by Althea Dawkins

Biology

10th - 12th Grade

NGSS covered

Used 20+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A woman is tall and has brown hair. A man is short and has blonde hair. Their child is Tall with Blonde hair. What law explains this?

Law of Dominance - only dominant traits are inherited

Law of Segregation - traits are inherited separately and never all inherited by one offspring

Law of Independent Assortment - alleles for each trait are passed to offspring individually

Law of Inheritance - all traits come from either mother OR father

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What law states that in Tt the person will only show the dominant allele

law of segregation

law of independent assortment

law of dominance

law of punnett squares

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An offspring will receive how many alleles from each parent to determine a specific trait?

one

two

three

five

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

having two of the same genes for the trait (sometimes called purebred).

homozygous

heterozygous

protein

chromosome

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

having two different genes for a trait (sometimes called hybrid).

protein

homozygous

heterozygous

genotype

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

height

the scar

ability to swim

ability to play drums

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genotype refers to the ...

physical expression of the genes

the possible combination of alleles in a gene

whether an allele is dominant or recessive

how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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Genetics

A woman is tall and has brown hair. A man is short and has blonde hair. Their child is Tall with Blonde hair. What law explains this?

What law states that in Tt the person will only show the dominant allele

An offspring will receive how many alleles from each parent to determine a specific trait?

having two of the same genes for the trait (sometimes called purebred).

having two different genes for a trait (sometimes called hybrid).

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

Genotype refers to the ...

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

In Giraffes, tall necks (T) is dominant over short necks (t). When a heterozygous Tall necked giraffe is mated with a short necked giraffe, what is the phenotype ratio of the offspring?

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