B6- Genetic Diagrams

Question 1

What controls the characteristics you develop?

Answer 1

What genes you inherit

Examples include mouse fur colour and red-green colour blindness in humans.

Question 2

What type of interaction controls most characteristics?

Answer 2

Several genes interacting

Question 3

What is the term for the different versions of a gene?

Answer 3

Alleles

Question 4

What is the dominant allele represented by?

Answer 4

Capital letters (e.g. ‘C’)

Question 5

What is the recessive allele represented by?

Answer 5

Small letters (e.g. ‘c’)

Question 6

To display a recessive characteristic, what must both alleles be?

Answer 6

Recessive

Question 7

What can an organism’s genotype be if it displays a dominant characteristic?

Answer 7

CC or Co

Question 8

What determines your phenotype?

Answer 8

Your genotype

Question 9

What is the genotype of a superpowered hamster?

Answer 9

bb

Question 10

What could be the genotype of a normal hamster?

Answer 10

BB or Bb

Question 11

What is shown in a Punnett square?

Answer 11

Genetic crosses

Question 12

What are the offspring’s genotypes when breeding BB and bb hamsters?

Answer 12

Bb

Question 13

What is the phenotype of all offspring from BB x bb breeding?

Answer 13

Normal (boring)

Question 14

What is the expected ratio of normal to superpowered offspring when breeding Bb x Bb?

Answer 14

3:1

Question 15

What is the probability of superpowers in the offspring of Bb x Bb?

Answer 15

25%

Question 16

Your genotype is the combination of _______.

Answer 16

Alleles

Question 17

True or False: A dominant allele will always overrule a recessive allele.

Answer 17

True