MENDELIAN

GENETICSREVIEW

____________________ IS THE “FATHER OF GENETICS”.

Gregor Mendel

_______________ IS THE PASSING OF TRAITS FROM PARENT TO

OFFSPRING.

Heredity

A _________ REPRESENTS THE PHYSICAL

CHARACTERISTICS.

Phenotype

HOW MANY CHROMOSOMES WOULD A

HUMAN HAVE IN THEIR SKIN CELLS?

46

___________ ARE TWO FORMS OF A GENE

(DOMINANT & RECESSIVE)

Alleles

HOW WOULD YOU WRITE A HOMOZYGOUS DOMINANT GENOTYPE (USE THE 2ND

LETTER OF THE ALPHABET )

BB

A HOMOZYGOUS GENOTYPE CAN ALSO BE

CALLED _____________

Pure

WHICH LAW STATES: WHEN DIFFERENT ALLELES FOR A

CHARACTERISTIC ARE INHERITED (HETEROZYGOUS), THE TRAIT OF ONLY ONE (THE DOMINANT ONE)

WILL BE EXPRESSED.?Law of Dominance

WHAT SEX CHROMOSOMES ARE

PRESENT FOR A MALE?

XY

WHAT DOES THE P GENERATION REPRESENT?

Parent’s genotypes

A CROSS BETWEEN TWO HYBRIDS WILL ALWAYS CREATE

WHAT PHENOTYPIC RATIO?BE SPECIFIC!!!!

3 dominant : 1 recessive

WHAT ORGANISM DID MENDEL USE TO

CONDUCT HIS RESEARCH?

Pea Plants

WHAT IS THE F1 GENERATION?

The offspring from crossing the P generation

____________ IS THE STUDY OF HEREDITY

Genetics

WHICH LAW STATES THE FOLLOWING: EACH FACTOR (GENE)

IS DISTRIBUTED (ASSORTED) RANDOMLY AND INDEPENDENTLY

OF ONE ANOTHER IN THE FORMATION OF GAMETES (EGG OR

SPERM)?Law of Independent Assortment

A ___________ REPRESENTS THE TYPES OF GENES THAT ARE INHERITED.

Genotype

HOW MANY CHROMOSOMES DID YOU

INHERIT FROM YOUR MOM?

23

HOW WOULD YOU WRITE A HOMOZYGOUS RECESSIVE GENOTYPE (USE THE 2ND

LETTER OF THE ALPHABET )

bb

A HETEROZYGOUS GENOTYPE CAN ALSO BE

CALLED A _____________

Hybrid

HOW WOULD YOU WRITE A HETEROZYGOUS

GENOTYPE (USE THE 2ND LETTER OF THE ALPHABET )

Bb

WHICH LAW STATES: EACH GENETIC TRAIT IS PRODUCED BY A PAIR OF ALLELES WHICH SEPARATE

DURING REPRODUCTION?

Law of Segregation

LIST THE GAMETES THAT CAN BE PRODUCED FROM

THE FOLLOWING GENOTYPE:

ABAbaBab

AaBb

A ______ GENE IS THE GENE THAT SHOWS UP MOST OFTEN IN A CROSS; REPRESENTED BY AN

UPPERCASE LETTER

Dominant

IN GUINEA PIGS, ROUGH COATS (R) ARE DOMINANT TO SMOOTH COATS. WRITE THE GENOTYPE FOR A HOMOZYGOUS

ROUGH COATED GUINEA PIG.

RR

IN GUINEA PIGS, ROUGH COATS (R) ARE DOMINANT TO SMOOTH

COATS. WHAT ARE THE GENOTYPES FOR A CROSS WITH A SMOOTH COATED GUINEA PIG AND A HOMOZYGOUS ROUGH COATED. Genotype = 100% Rr

ARE FRATERNAL TWINS OR IDENTICAL TWINS

MORE CLOSELY RELATED?

Identical

IN GUINEA PIGS, ROUGH COATS (R) ARE DOMINANT TO SMOOTH

COATS. WRITE THE GENOTYPE FOR A SMOOTH COATED GUINEA PIG.

rr

A ________ IS A CROSS THAT ONLY INVOLVES A

SINGLE TRAIT

Monohybrid cross

LIST THE GAMETES THAT CAN BE PRODUCED FROM

THE FOLLOWING GENOTYPE:

aB

aaBB

WHAT ARE TWO FACTORS THAT AFFECT WHO YOU

ARE?

GenesEnvironment

WHAT SEX CHROMOSOMES ARE

PRESENT FOR A FEMALE?

XX

HOW COULD A GUINEA PIG BREEDER DETERMINE IF A

BLACK GUINEA PIG IS HOMOZYGOUS DOMINANT OR

HETEROZYGOUS?Test cross- cross the guinea pig with a homozygous recessive guinea pig

________ IS A TOOL USED TO SOLVE GENETIC

PROBLEMS BASED ON PROBABILITY

Punnett Square

IN GUINEA PIGS, ROUGH COATS (R) ARE DOMINANT TO SMOOTH

COATS. WHAT ARE THE PHENOTYPES FOR A CROSS WITH A SMOOTH COATED GUINEA PIG AND A HOMOZYGOUS ROUGH COATED.

Phenotype = 100% Rough coated

A ________ IS A CROSS THAT INVOLVES A TWO

TRAIT

Dihybrid cross

A ______ GENE IS THE GENE THAT SHOWS UP LESS OFTEN IN A CROSS; REPRESENTED BY A

LOWERCASE LETTER

Recessive

IN GUINEA PIGS, ROUGH COATS (R) ARE DOMINANT TO SMOOTH COATS. WRITE THE GENOTYPE FOR A HETEROZYGOUS

ROUGH COATED GUINEA PIG.

Rr

THE ________________________ IS BASED ON THE

GENOTYPE.

phenotype

WHICH PARENT DETERMINES THE SEX OF

THE CHILD?

Father