Lesson 04: Mendelian Genetics

Question 1

Who was Mendel?

Answer 1

• Austrian monk
• father of genetic
• Used garden pea plants to lay foundation of genetics

Question 2

Why pea plants?

Answer 2

readily available

Question 3

What are the three laws Mendel develops?

Answer 3

1. Law of dominance
2. Law of segregation
3. Law of independant assortment

Question 4

Law of dominance

Answer 4

When gene controlling a particular trait are different the recessive trait is hidden by the dominant trait

Question 5

Law of segregation

Answer 5

Inheritance traits are determined by a pair of “factors”, or two alleles of a gene

Question 6

Law of independent assortment

Answer 6

Genes located on seperate chromosomes are inherited separately of each other

Question 7

Phenotype

Answer 7

The observable traits of an individual (how the information in your genes is expressed)

Question 8

Homozygous

Answer 8

Having two alleles that are the same

Question 9

Heterozygous

Answer 9

Having two alleles that are different

Question 10

Why Mendel removed another’s of pure-breeding plants?

Answer 10

Prevent self-polination

Question 11

The pea plants provides both

Answer 11

Male and female gametes

Question 12

True breeding

Answer 12

Plants that self-fertilized to produce offspring with consistent traits generation after generation