Genetic Inheritance

Question 1

What is homozygous?

Answer 1

When two alleles for a particular gene are the same

Question 2

What is the name for when two alleles for a particular gene are the same ?

Answer 2

Homozygous

Question 3

What is the name for when two alleles for a particular gene are the different ?

Answer 3

Heterozygous

Question 4

What is heterozygous ?

Answer 4

when two alleles for a particular gene are the different

Question 5

What is the name of the allele shown ?

Answer 5

Dominant

We use capital letters to represent them

Question 6

What is the allele called that is not shown in a heterozygous pair

Answer 6

Recessive

This is shown with a small letter

Question 7

When is a recessive allele shown ?

Answer 7

When the organism is homozygous recessive

The dominant gene is always shown

Question 8

What is your genotype ?

Answer 8

The combination of all the alleles u have

Bb BB bb

Question 9

What is your phenotype ?

Answer 9

What characteristics you have

Question 10

What is polydactyl?

Answer 10

Having extra fingers or toes

Question 11

What type of allele is polydactyl?

Answer 11

Dominant

Question 12

What is cystic fibrosis ?

Answer 12

A genetic disorder or the membranes

The body produces a lot of thick sticky mu as in the air Passages and the pancreas

Question 13

What type of alllele causes cystic fibrosis ?

Answer 13

Recessive

Question 14

How can we test for genetic disorders ?

Answer 14

Embryo screening

Question 15

What are the argument for screening ?

Answer 15

• stops suffering.
• treating disorders costs a lot of money
• there are laws stopping it going too far

Question 16

What are the arguments against embryo screening ?

Answer 16

• implies that people with genetic disorders are “undesirable”
• it could get out of hand and people screen too often
• screening is expensive