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<br>
recessive allele<br>
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
