Heredity+Evolution Of Populations And Charles Darwin Immune System

Question 1

Define the following and give an example for each: incomplete dominance

Answer 1

Incomplete Dominance- when a trait is in-between the 2 parents
ex: red+white=pink

Question 2

Define the following and give an example for each: codominance

Answer 2

Codominance- both traits are expressed
Ex: black+white= black and White

Question 3

Define the following and give an example for each: sex linked traits

Answer 3

Sex linked traits- trait whose allele is located on the X chromosome, most are recessive.

Question 4

Define the following and give an example for each: polygenic inheritance

Answer 4

Polygenic inheritance- several genes influence this trait
Ex: eyes, height, weight, and skin color

Question 5

What is a pedigree and how is it used and identify the P, F1, and F2 generation?

Answer 5

Pedigree- a family history that shows how a trait is inherited over several generations.

Question 6

Who is Charles Darwin and what did he do?

Answer 6

• English naturalist
• HMS Beagle voyage, departed in 1831 December 27,
• Catalouged and described many different types of species by Means of Natural Selection
• whirred book on the origin of species by Means of Natural Selection

Question 7

What is a gene pool and how does it relate to allelic/gene frequency?

Answer 7

The combination of all the genes present in a reproducing population. A gene poor shows different alleles along with genetic Information.

Question 8

What is genetic drift and what is a situation where it would occur?

Answer 8

The random change in allelic frequency caused by individuals entering and exiting the populations
* occurs in small populations that break away from a larger group

Question 9

Describe the structure of both a bacteria and how it’s different from a virus

Answer 9

A bacteria’s structure is a lot more round and o along while a virus is more stick like with a narrow rocket design.