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GEN LF Flashcards

1
Q

FUNCTIONAL UNIT CHEMICALLY COMPOSED OF DNA

A

GENE

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2
Q

SUM TOTAL OF ALL THE GENES PRESENT IN AN INDIVIDUAL

A

GENOSOME

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3
Q

ANY MEMBER OF A GIVEN PAIR OF GENES

A

ALLELE

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4
Q

CONDITION CALLED WHEN THE ALLELES ARE IDENTICAL

A

HOMOZYGOUS

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5
Q

CONDITION CALLED WHEN THE ALLELES ARE NON IDENTICAL

A

HETEROZYGOUS

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6
Q

GENETIC COMPOSITION OF AN INDIVIDUAL

A

GENOTYPE

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7
Q

EXTERNAL APPEARANCE OF AN INDIVIDUAL

A

PHENOTYPE

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8
Q

INVOLVES A SINGLE PAIR OF CONTRASTING GENES

A

MONOHYBRID CROSS

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9
Q

INVOLVES THREE OR MORE PAIRS OF CONTRASTING GENES

A

POLYHYBRID CROSS

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10
Q

INVOLVES TWO PAIRS OF CONTRASTING GENES

A

DIHYBRID CROSS

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11
Q

PARENTS OF A CROSS

A

PARENTAL GENERATION

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12
Q

OFFSPRINGS OF A CROSS

A

FILIAL GENERATION

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13
Q

FIRST FILIAL GENERATION. (F1)

A

CHILDREN

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14
Q

SECOND FILIAL GENERATION (F2)

A

GRAND CHILDREN

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15
Q

MENDELIAN LAW STATING THAT FACTORS FOR A TRAIT SEGREGATE DURING GAMETIC FORMATION. (members of any given pair of genes separate so that only ONE member of the pair is transmitted by the sex cell)

A

LAW OF SEGREGATION

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16
Q

MENDELIAN LAW STATING THAT DURING FORMATION OF GAMETES MEMBERS OF ANY GIVEN PAIR KF GENES ARE DISTRIBUTED INDEPENDENTLY OF ONE ANOTHER.

A

LAW OF INDEPENDENT ASSORTMENT

17
Q

THE EFFECTS OF CONTRASTING GENES ARE BOTH EXPRESSED

A

CODOMINANCE

18
Q

EXAMPLE OF CODOMINANCE

A

BLOOD TYPE AB

19
Q

THE OFFSPRING IS A BLENDING BET THE TWO PARENTS AS WHEN A RED BULL IS MATED TO A WHITE COW

A

INCOMPLETE DOMINANCE

20
Q

MIXTURE OF RED AND WHITE HAIR

A

ROAN

21
Q

AN ADDITIVE EFFECT OF TWO OR MORE GENE LOCI ON A SINGLE PHENOTYPIC CHARACTER

A

POLYGENIC INHERITANCE

22
Q

EXAMPLE OF POLYGENIC INHERITANCE

A

SKIN COLOR

23
Q

TRAITS OR DISORDER ASSOCIATED WITH THE SEX CHROMOSOMES

A

X LINKED TRAITS OR SEX LINKED RECESSIVE DISORDERS

24
Q

EXAMPLE OF X LINKED TRAITS

A

RED GREEN COLOR BLINDNESS

HEMOPHILIA

25
Q

PATTERNS FOR TRANSMISSION OF SEX LINKED RECESSIVE DISORDERS:

FATHER WITH A TRAIT WILL TRANSMIT THE MUTANT ALLELE TO
________ but ________

A

ALL DAUGHTERS BUT TO NO SONS

26
Q

PATTERNS FOR TRANSMISSION OF SEX LINKED RECESSIVE DISORDERS:

IF THE MOTHER HAS THE TRAIT: SHE WILL TRANSMIT THE MUTANT ALLELE TO _______

A

BOTH SINS AND DAUGHTERS

27
Q

Autosomal disorder characterized by failure of members of the homologous pairs of chromosome to separate during meiosis II

A

ANEUPLOIDY

28
Q

AUTOSOMAL DISORDER CHARACTERIZED BY THE PRESENCE OF AN ENTURE EXTRA SET KF CHROMOSOMES

A

POLYPLOIDY

29
Q

SEX CHROMOSOMAL DISORDERS:

XO

A

TURNER - FEMALE

30
Q

SEX CHROMOSOMAL DISORDERS:

XXX

A

METAFEMALE OR SUPERFEMALE - FEMALE

31
Q

SEX CHROMOSOMAL DISORDERS:

XXY

A

KLINEFELTER - MALE

32
Q

SEX CHROMOSOMAL DISORDERS:

XYY

A

CRIMINAL - MALE

33
Q

SEX CHROMOSOMAL DISORDERS:

YYY

A

NOT VIABLE

34
Q

WHAT ARE THE EXCEPTIONS OR DEVIATIONS FROM MENDELIAN RATIOS?

A

CODOMINANCE
INCOMPLETE DOMINANCE
LETHAL
MULTIPLE ALLELES

LF (10 decks)

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