LECTURE 6 PUNNET SQUARES

Question 1

What are the different Modes of Inheritance?

Answer 1

•Autosomal dominant •Autosomal recessive •Co-dominant alleles •Sex-linked traits •Maternal (mitochondrial) inheritance

Question 2

What do the Punnet Squares tell you?

Answer 2

the probability of a particular outcome Shows potential Haploid gametes on outside and potential Diploid zygotes on the inside

Question 3

Differences between Monohybrid and Dihybrid?

Answer 3

•Monohybrid = looking at just one trait •Dihybrid = looking at two traits

Question 4

Punnett square examples, Autosomal dominant

Answer 4

•Tongue rolling •Free earlobes •Mid-digital hair •Bent little finger •Widow’s peak •Dimples

Question 5

Punnett square examples, Autosomal recessive

Answer 5

• Autosomal recessive
• Tongue folding
• Hitchhiker’s thumb
• Albinism

Question 6

Examples of sex

linked traits

Answer 6

• Color blindness
• Hemophilia

Question 7

Autosomal Dominant Pedigree

Answer 7

Question 8

Autosomal Recessive Pedigree

Answer 8

Question 9

X-linked Recessive Pedigree

Answer 9

Question 10

X-linked Dominant Pedigree

Answer 10