Biology 2 (Chapter 9)

Question 1

Gregor Mendel created

Answer 1

True Breeding Varieties Of Plants

Question 2

Gregor Mendel Crossed two different true breeding varieties creating?

Answer 2

Hybrids

Question 3

Offspring of two different true breeding varieties crossing is called?

Answer 3

First Filial or F1 generation

Question 4

4 Things That Make A Good Genetics Research Model Organism?

Answer 4

Easily Bred, Short Generation Time, Readily Available, Reasonable Price

Question 5

Homozygous Definition

Answer 5

When an organism has identical alleles for a gene

Question 6

Heterozygous Definition

Answer 6

When an organism has different alleles for a gene

Question 7

Phenotype Definition

Answer 7

An Organisms Physical Traits

Question 8

Genotype

Answer 8

Organisms genetic makeup, should be 2 copies (alleles) of each gene

Question 9

How many copies of alleles should there be in a Genotype

Answer 9

2

Question 10

Genotype PP:

Answer 10

Homozygous For The Dominant Allele

Question 11

Genotype AA:

Answer 11

Homozygous For The Recessive Allele

Question 12

Genotype BB:

Answer 12

Heterozygous

Question 13

Dominant Gene:

Answer 13

If the dominant gene is in DNA, It will be expressed; NOT necessarily dominant in terms of being most beneficial

Question 14

Recessive Gene:

Answer 14

If recessive gene is present it takes 2 copies of the gene for the physical trait to be expressed

Question 15

____ is the instruction manual _____ do the work

Answer 15

DNA, PROTEINS

Question 16

_____ —–> _______ ——> _______ —-> _______

Answer 16

DNA - RNA - PROTEIN - TRAIT

Question 17

What’s A Monohybrid Cross

Answer 17

Cross between parent plants that differ in only one characteristic

Question 18

A Testcross is mating between?

Answer 18

Individual of unknown genotype & homozygous recessive individual

Question 19

What Does A Family Pedigree Do?

Answer 19

Shows history of trait in family, allows researches to analyze human traits

Question 20

Examples Of Human Disorders Controlled By A Single Gene

Answer 20

Albinism, Cystic Fibrosis, Red-Green color blindness

Question 21

Most Human Genetic Disorders Are ____

Answer 21

Recessive

Question 22

Hypercholesterolemia

Answer 22

Human trait that is incompletely dominant

Question 23

Ways To Find Out Your Bloodtype

Answer 23

Parent, Hospitalization, Donate Blood, Pregnancy, Military

Question 24

Whats Pleiotropy

Answer 24

Impact of a single gene on more than one characteristic

Question 25

Example Of Pleiotropy

Answer 25

Sickle-Cell Disease

Question 26

Polygenetic Inheritance

Answer 26

Trait Controlled By Two Or More Genes

Question 27

Example Of X Linked Disorder

Answer 27

Red-Green Color Blindness, Hemophilia

Question 28

Blood Group A Has?

Answer 28

Has A Antigens On The Red Blood Cells With Anti-B Antibodies In The Plasma

Question 29

Blood Group B Has?

Answer 29

Has B Antigens On The Red Blood Cells With Anti-A Antibodies In The Plasma

Question 30

Blood Group AB Has?

Answer 30

Has AB Antigens On The Red Blood Cells With No Antibodies In The Plasma

Question 31

Blood Group O Has?

Answer 31

Has No Antigens On The Red Blood Cells With Anti-A & Anti-B Antibodies In The Plasma

Question 32

Multifactorial Disorders

Answer 32

Genetic Component and significant environmental component

Question 33

Dominant Disorder Example

Answer 33

Huntingtons Disease (FATAL)

Question 34

What is Huntington’s Disease

Answer 34

Neurons In Brain Cell Degenerate

Question 35

Dominant Disorder

Answer 35

Some human genetic disorders are dominant