Genetics

Question 1

Incomplete dominance

Answer 1

Case in which one allele is not completely dominant over another.

Intermediate

Question 2

Codominance

Answer 2

Cases in which the phenotypes produced by both allese are clearly expressed

Question 3

Polygenic traits

Answer 3

Traits controlled by two or more genes

EX: Hair color

Question 4

Genotype

Answer 4

An organism’s allele pairs

Question 5

Phenotype

Answer 5

Observable characteristic that is expressed as a result of an allele pair.

Question 6

Genetics

Answer 6

Science of heredity

Question 7

Recessive

Answer 7

The allele that is masked by the dominant allele

Question 8

Heterozygous/hybrid

Answer 8

Organism with two different alleles for a specific trait

EX: Tt, Pp, Mm, Ee, Gg

Question 9

Homozygous/purebred

Answer 9

Organism with two of the same alleles for a specific trait.

EX: MM. mm, GG, gg, TT, tt

Question 10

Probability

Answer 10

How likely it is for something to occur.

Question 11

Sex-linked traits

Answer 11

Traits carried by the X and Y chromosome.

Question 12

What did Gregor Mendel study?

Answer 12

Pea plants

Question 13

Law of segregation

Answer 13

Law stating that two alleles for each trait separate during meiosis.

Question 14

Law of independent assortment

Answer 14

Law stating that a random distribution of alleles occurs during the formation of gametes.

Question 15

Dominant

Answer 15

An allele that is always expressed - masks the presence of a recessive allele, represented by CAPITAL LETTERS

Question 16

Allele

Answer 16

Different forms of a gene, can be dominant or recessive

Question 17

Heredity

Answer 17

The passing of genetic traits from parent to offspring