DNA and Genetics - Chapter 3
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Lesduur is: 45 minOnderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
● Jan has one allele for a long middle finger and one allele for a short middle finger. Jan is
A
Homozygous
B
Heterozygous
Slide 4 - Quizvraag
Paul has two alleles for blonde hair. Paul is..
A
Homozygous
B
Heterozygous
Slide 5 - Quizvraag
Guinea pigs can have short or long hair. A long-haired guinea pig and a short-haired guinea pig have a nest of babies. They only have long-haired babies. The babies are
A
Homozygous
B
Heterozygous
Slide 6 - Quizvraag
A certain flower has white, red and pink flowers. Which phenotypes are homozygous and heterozygous?
Slide 7 - Open vraag
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Write down the genotype of the following people. Joe is heterozygous for hair colour
A
AA
B
Aa
C
aa
Slide 10 - Quizvraag
Write down the genotype of the following people. Matt is homozygous recessive for finger length
A
BB
B
Bb
C
bb
Slide 11 - Quizvraag
Write down the genotype of the following people. Karl is homozygous dominant for earlobe form
A
EE
B
Ee
C
ee
Slide 12 - Quizvraag
Slide 13 - Video
What is the difference between a gene and an allele?
Slide 14 - Open vraag
Dominant allele
recessive allele
an allele that is always expressed in the phenotype
an allele that is only expressed in the phenotype if there is no dominant allele present
Slide 15 - Sleepvraag
Which of the alleles is dominant?
A white and a black dog have puppies. All puppies are white;
A white and a black dog have puppies. All puppies are white;
A
White allele
B
black allele
Slide 16 - Quizvraag
Which of the alleles is dominant? Ralph is heterozygous for hair colour. His hair is black
A
black hair
B
brown hair
C
blon hair
Slide 17 - Quizvraag
Which of the alleles is dominant? Hanna has blue eyes. Her father and mother had brown eyes
A
brown eyes
B
blue eyes
Slide 18 - Quizvraag
Which of the alleles is dominant? A white horse is heterozygous for hair colour;
A
Black hair
B
White hair
