CH 14 Simple Patterns of inheritance

Question 1

Plant Male Organ

Answer 1

Stamen

Question 2

Plant Female Organ

Answer 2

carpels

Question 3

Cross Pollination

Answer 3

Dusting one plant with pollen from another

Question 4

Breeding type Mendel used

Answer 4

True Breeding/ Pure breeding

Question 5

True Breeding Parent Generation

Answer 5

• P generation

Question 6

Hybrid offspring of P generation

Answer 6

• F1 (First Filial) generation

- F2 generation occurs when F1 self pollinates

Question 7

Mendels law of segregation

Answer 7

• Offspring of F2 are phenotypically 75% : 25% (Dominant : Recessive)

Question 8

Mendel called a ‘gene” …

Answer 8

“a heritable factor”

Question 9

1st Concept: Alternative versions of genes (+ variation)

Answer 9

Alleles

Question 10

2nd Concept

Answer 10

for each character an organism inherits 2 alleles (law of segregation)

Question 11

3rd Concept

Answer 11

Homozygous (true breeding); 2 identical alleles

Heterozygous: 2 Differing Alleles

Question 12

4th Concept

Answer 12

Sperm & egg only get 1 of the alleles present in somatic cells

Question 13

Genotype

Answer 13

organisms genetic makeup

Question 14

Phenotype

Answer 14

Organisms physical appearance

Question 15

Mendels 1st Law

Answer 15

`Law Of Segregation

Question 16

Mendels 2nd Law

Answer 16

Law Of independent Assortment

Question 17

Genetic cross between heterozygotes

Answer 17

Monohybrid Cross

Question 18

Dihybrids

Answer 18

2 true breeding parents which differ in 2 characteristics

Question 19

Law of independent assortment states that ; (allele segregation)

Answer 19

Each pair of alleles segregates independently

Question 20

Inheritance of characteristics deviate when:

Answer 20

1. Alleles not completely dominant (incomplete dominance)
2. When there are more than 2 alleles (codominance)
3. multiple Phenotypes (Pleiotrophy)

Question 21

Complete Dominance

Answer 21

when hetero/ homozygote phenotypes are identical

Question 22

Incomplete Dominance

Answer 22

Phenotype “blends”

Question 23

Co-Dominance

Answer 23

2 dominant alleles affect phenotype in different distinguishable ways

Question 24

Does a dominant Allele subdue a recessive one

Answer 24

No. They do not interact. They are variations

Question 25

Pleiotropy

Answer 25

multiple phenotypic affects

Question 26

A phenotype includes;

Answer 26

1. physical appearance
2. Internal Anatomy
3. Behavior

Question 27

Humans are bad for genetic research because…

Answer 27

• Generation time too long
• Unethical
• Parents produce too few offspring

Question 28

Pedigree Analysis

Answer 28

• Identifies parents & children in a generation with their genetic info. included
• Used for inheritance patterns & predictions

Question 29

Behavior of recessive alleles

Answer 29

• Only show up when homozygous

- Inbred have more genetic diseases