NAME ______

GENETICS VOCAB QUIZ

____ offspring of crosses between parents with different traits;

Refers to organisms with one dominant and one recessive allele (Tt);

Also called HETEROZYGOUS

____ the scientific study of heredityA. TRUE-BREEDINGB. FERTILIZATION
____ specific characteristic that varies from one individual to another;C. HYBRID

(Example: hair color; flower color; eye color; blood type)D. GENETICS

E. TRAIT

____ process in sexual reproduction in which male and female

reproductive cells join to form a new cell;

____ term used to describe organisms that produce offspring

identical to themselves if allowed to self-pollinate

***************

____ physical characteristics of an individual; “the way it looks”

_____ The random mixing of maternal and paternal chromosomes

when homologous chromosomes separate during Anaphase I A. PHENOTYPE

to form gametes during meiosisB. GENOTYPE

C. GAMETES

____ specialized cells involved in sexual reproduction; D. HETEROZYGOUS

also called germ cell or sperm and egg cellsE. HOMOZYGOUS
F. SEGREGATION

___ the genetic makeup of an individual; “the genes it has”G. INDEPENDENT ASSORTMENT

____ the separation of alleles when homologous chromosomes

separate to form gametes

____ term used to refer to an organism that has two different

alleles for a particular trait (Tt); also called hybrid

____ term used to refer to an organism that has two identical

alleles for a particular trait (TT or tt); also called pure

____ refers to an ALLELE THAT IS MASKED BY the presence A. ALLELE

of another allele for the same trait B. CODOMINANCE

C. INCOMPLETE

____ one of a number of different forms of a gene DOMINANCE
D. RECESSIVE
____ refers to an ALLELE THAT MASKS the presence of E. DOMINANT
another allele for the same trait F. CARRIER

____ Situation in which both alleles of a gene contribute to the phenotype;

in HETEROZYGOUS individuals BOTH alleles are expressed at the same time

____ heterozygous person who does not show a recessive trait but who
has the recessive allele and can pass it on to their offspring

____ situation in which one allele is not completely dominant over another;

in HETEROZYGOUS individuals BOTH ALLELES BLEND to

produce an INTERMEDIATE phenotype

***************

____ a trait (like A, B, and O blood type) that is controlled by A. POLYGENIC TRAIT

three or more alleles for the same gene B. MULTIPLE ALLELE

TRAIT
____ Diagram used to predict the probability that a trait will be C. GENE MAP

inherited from a given genetic crossD. PUNNETT SQUARE

E. X-LINKED TRAIT

____ diagram that shows the relative locations of each known F. AUTOSOME

gene on a particular chromosome

____ a chromosome that is NOT a sex chromosome

____ a trait that is determined by a gene located on the X chromosome

____ a trait (like skin color, eye color, intelligence, and height in humans)

that is controlled by two or more genes

NAME ______

GENETICS VOCAB QUIZ

____ offspring of crosses between parents with different traits;

Refers to organisms with one dominant and one recessive allele (Tt);

Also called HETEROZYGOUS

____ the scientific study of heredityA. TRAIT B. HYBRID
____ specific characteristic that varies from one individual to another;C. FERTILIZATION

(Example: hair color; flower color; eye color; blood type)D. GENETICS

E. TRUE-BREEDING

____ process in sexual reproduction in which male and female

reproductive cells join to form a new cell;

____ term used to describe organisms that produce offspring

identical to themselves if allowed to self-pollinate

***************

____ physical characteristics of an individual; “the way it looks”

_____ The random mixing of maternal and paternal chromosomes

when homologous chromosomes separate during Anaphase I A. GENOTYPE

to form gametes during meiosisB. PHENOTYPE

C. GAMETES

____ specialized cells involved in sexual reproduction; D. HOMOZYGOUS

also called germ cell or sperm and egg cellsE. HETEROZYGOUS
F. INDEPENDENT

___ the genetic makeup of an individual; “the genes it has”ASSORTMENT G. SEGREGATION

____ the separation of alleles when homologous chromosomes

separate to form gametes

____ term used to refer to an organism that has two different

alleles for a particular trait (Tt); also called hybrid

____ term used to refer to an organism that has two identical

alleles for a particular trait (TT or tt); also called pure

____ refers to an ALLELE THAT IS MASKED BY the presence A. CODOMINANCE

of another allele for the same trait B. INCOMPLETE

DOMINANCE

____ one of a number of different forms of a gene C. RECESSIVE D. DOMINANT
____ refers to an ALLELE THAT MASKS the presence of E. CARRIER
another allele for the same trait F. ALLELE

____ Situation in which both alleles of a gene contribute to the phenotype;

in HETEROZYGOUS individuals BOTH alleles are expressed at the same time

____ heterozygous person who does not show a recessive trait but who
has the recessive allele and can pass it on to their offspring

____ situation in which one allele is not completely dominant over another;

in HETEROZYGOUS individuals BOTH ALLELES BLEND to

produce an INTERMEDIATE phenotype

***************

____ a trait (like A, B, and O blood type) that is controlled by A. MULTIPLE ALLELE

three or more alleles for the same gene TRAIT ALLELE

B. POLYGENIC TRAIT
____ Diagram used to predict the probability that a trait will be C. X-LINKED TRAIT

inherited from a given genetic crossD. AUTOSOME

E. PUNNETT SQUARE

____ a chromosome that is NOT a sex chromosomeF. GENE MAP

____ a trait that is determined by a gene located on the X chromosome

____ diagram that shows the relative locations of each known

gene on a particular chromosome

____ a trait (like skin color, eye color, intelligence, and height in humans)

that is controlled by two or more genes