Genetics - Punnet squares 2

Genetics
Punnet squares - 2
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Slide 1: Slide
BiologieMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 21 slides, with interactive quizzes, text slides and 1 video.

Items in this lesson

Genetics
Punnet squares - 2

Slide 1 - Slide

How many chromosomes are in a human body cell?
A
23
B
46
C
57
D
92

Slide 2 - Quiz

Slide 3 - Slide

Which chromosomes are inherited from the father?
A
Chromosome pair 1 - 11
B
Chromosome pair 12 - 22
C
One of each chromosome pair
D
None

Slide 4 - Quiz

Is this the karyotype of a male or female?
A
Male
B
Female
C
You cannot see that

Slide 5 - Quiz

When you change the colour of your hair you change your?
A
Phenotype
B
Genotype

Slide 6 - Quiz

Gene
Allele
Skin colour
Blood type
Blue eyes
Flower colour
Curly hair
Type A blood
Hair type
Short wings in a fruit fly

Slide 7 - Drag question

Punnet squares
Use scrap paper or a mini white board

Slide 8 - Slide

Rex, the father is heterozygous. Flora, the mom has blue eyes.

Is this punnet square correct?
brown = A = dominant
blue = a = recessive
A
Correct
B
Incorrect
C
No clue

Slide 9 - Quiz

Two parents who are heterozygous
(B=brown, b=blue)) for eyecolour have children. What is the chance that their firstborn has brown eyes as well?
A
0%
B
25%
C
50%
D
75%

Slide 10 - Quiz

A fruit fly with normal wings (B) mates with a fruit fly with curly wings (b). The offspring all have normal wings. What are the genotypes of the parents?
A
BB x bb
B
Bb x Bb
C
BB x Bb
D
Bb x bb

Slide 11 - Quiz

In humans, red hair (a) is recessive to dark hair. Two dark-haired parents have a red-haired child.
What are the genotypes of the parents?
A
Aa x Aa
B
AA x Aa
C
AA x aa
D
AA x aa

Slide 12 - Quiz

Something new
Working with pedigrees

Slide 13 - Slide

Slide 14 - Video

pedigrees
Healthy male

Healthy female

Male/female with genetic abnormality

Slide 15 - Slide

Is this condition dominant or recessive?
A
dominant
B
recessive

Slide 16 - Quiz

True or false:

Person 2 is heterozygous
A
true
B
false

Slide 17 - Quiz

True or false:

The genotype of person 5 can not be determined with absolute certainty.
A
true
B
false

Slide 18 - Quiz

True or false:

The chance of person 8 being heterozygous is 25%

A
true
B
false

Slide 19 - Quiz

True or false:

Person 7 must be heterozygous

A
true
B
false

Slide 20 - Quiz

More practice
ManageBac - Files - Genetic practice problems

Slide 21 - Slide