Genetic Interactions Part 1

Question 1

allelic interactions

Answer 1

complete dominance
incomplete dominance
co-dominance
over-dominance

Question 2

To address the problem, he tabulated the traits, guess the alleles:

Stem Length

Answer 2

long - T
short - t

Question 3

a set of eight (8) proteins

Answer 3

histones

Question 4

these are a set of information from the DNA that encodes for specific trait or group of traits.

Answer 4

Genes (genotype)

Question 5

To address the problem, he tabulated the traits, guess the alleles:

Flower Position

Answer 5

axil - A
terminal - a

Question 6

only one gene is responsible for the trait expression

Answer 6

monohybrid cross

Question 7

What is the genetic interaction involved when a cat has one green eye and other blue eye?

Answer 7

co-dominance

Question 8

If the offspring of a monohybrid test cross results in a new color of flower, what gene interaction is present?

Answer 8

incomplete dominance

Question 9

these contains bundles of tightly coiled DNA located within the nucleus of every cell in the body.

Answer 9

Chromosome

Question 10

not a pioneer in genetic modification in organisms.

Answer 10

Gregor Mendel

Question 11

variant of gene

Answer 11

allele

Question 12

came to rise when he started studying 29,000 pea plants for hybridization.

Answer 12

Gregor Mendel

Question 13

has already performed hybridization in sheep.

Answer 13

Karl Nestler

Question 14

Gregor Mendel’s Laws

Answer 14

Law of Segregation
Law of Independent Assortment

Question 15

If the color of a mango is a combination of red and yellow in the same fruit, what gene interaction is present?

Answer 15

co-dominance

Question 16

test-cross that can produce offspring

Answer 16

parental generation

Question 17

segment of DNA that is allocated for specific trait

Answer 17

gene

Question 18

gene code

Answer 18

genotype

Question 19

this occurs when the expression of the genes exceeds measurement.

Answer 19

over-dominance

Question 20

To address the problem, he tabulated the traits, guess the alleles:

Flower Color

Answer 20

purple - P
white - p

Question 21

these are expressed characteristics of an individual inherited from one generation to another.

Answer 21

Traits (phenotype)

Question 22

both alleles have the same expression

Answer 22

homozygous

Question 23

heredity

Answer 23

mechanism

Question 24

interaction of alleles
1 gene only

Answer 24

allelic interaction

Question 25

this occurs when only one of the alleles is expressed in the phenotype by masking the expression of the recessive allele.

Answer 25

complete dominance

Question 26

traits that come from chromosome X and Y

Answer 26

sex-linked traits

Question 27

These are the physical manifestation of genes.

Answer 27

phenotype

Question 28

this occurs when the expression of the recessive gene is not completely masked by the expression of the dominant gene.

Answer 28

incomplete dominance

Question 29

is the presence of different frequencies of traits among individuals or populations.

Answer 29

variation

Question 30

the descent of traits from parents to offspring.

Answer 30

Generation

Question 31

interaction of alleles in different genes 2 genes

Answer 31

non-allelic interaction

Question 32

this occurs when the expression of the genes lacks dominance and recessiveness.

Answer 32

co-dominance

Question 33

To address the problem, he tabulated the traits, guess the alleles: Pod Color

Answer 33

yellow - Q green - q

Question 34

What is the ratio of the normal phenotypic expression in nature?

Answer 34

3:1

Question 35

variation

Answer 35

diversity

Question 36

activated variant of gene

Answer 36

dominant

Question 37

It is the principle that explains that each parent has equal contribution in the genes of its offspring.

Answer 37

Law of Segregation

Question 38

alleles have different expressions

Answer 38

heterozygous

Question 39

genes of different trait do not affect other genes of different trait in expression. It means that expression of trait C will not affect the expression of trait D.

Answer 39

Law of Independent Assortment

Question 40

subunit of chromosome where two (2) turns of DNA is wrapped around a set of eight (8) proteins called histones.

Answer 40

Nucleosome

Question 41

result of any parental test-cross

Answer 41

flial generation

Question 42

also known as inheritance, is the process of passing on of traits from parents to offspring from either sexual or asexual reproduction.

Answer 42

heredity

Question 43

The peas are in constant differentiating characteristics due to

Answer 43

foreign pollen from wild peas leading to random crop yields.

Question 44

expression of phenotype

Answer 44

trait

Question 45

To address the problem, he tabulated the traits, guess the alleles: Seed Color

Answer 45

yellow - Y green - y

Question 46

To address the problem, he tabulated the traits, guess the alleles: Pod Shape

Answer 46

inflated - I constricted - i

Question 47

it is the different expressions of genes due to different interplay between genes.

Answer 47

Gene Interactions

Question 48

It refers to the activated form of the gene.

Answer 48

dominant

Question 49

Co-dominance, Over-dominance and Incomplete Dominance are examples of ___.

Answer 49

Allelic interaction

Question 50

multiple genes are responsible for the trait expression

Answer 50

dihybrid cross

Question 51

It is the biology of heredity (mechanism) and variation (diversity).

Answer 51

genetics

Question 52

To address the problem, he tabulated the traits, guess the alleles: Seed Shape

Answer 52

round - R wrinkled - r

Question 53

T or F Co-dominance can also exist together with over-dominant genetic interactions.

Answer 53

True

Question 54

expression of gene

Answer 54

phenotype

Question 55

traits that come from chromosome 1 to 22

Answer 55

autosomal traits

Question 56

inactivated variant of gene

Answer 56

recessive

Question 57

these are the organism’s complete set of genes.

Answer 57

Genome

Question 58

only one allele is inherited from each of the parent since chromosomes separate during meiosis.

Answer 58

Law of Segregation

Question 59

T or F All individuals sexually reproduced always inherit both genes from their parents. Thus, each person always contains four alleles.

Answer 59

False