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Genetics Terms and Concepts: Traits, Inheritance, and DNA Fingerprinting, Quizzes of Biology

Definitions and explanations for various genetics terms, including dihybrid cross, mendel's pea experiment, dominant and recessive alleles, incomplete dominance, codominance, sex-linked and x-linked traits, abo blood typing, and dna fingerprinting. It covers concepts related to genetic inheritance, blood typing, and dna analysis.

Typology: Quizzes

2011/2012

Uploaded on 12/14/2012

bbartel1510
bbartel1510 🇺🇸

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TERM 1
dihybrid cross
DEFINITION 1
genetic crosses involving two traits simultaneously
TERM 2
mendel's pea experiment
DEFINITION 2
seed color and shape are controlled by genes on different
chromosomes
TERM 3
seed color (dom/rec)
DEFINITION 3
yellow- dominantgreen- recessive
TERM 4
seed shape (dom/rec)
DEFINITION 4
smooth-dominantwrinkle-recessive
TERM 5
incomplete dominance
DEFINITION 5
one allele for a specific trait is not completely dominant over
the other allele
pf3
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dihybrid cross

genetic crosses involving two traits simultaneously TERM 2

mendel's pea experiment

DEFINITION 2 seed color and shape are controlled by genes on different chromosomes TERM 3

seed color (dom/rec)

DEFINITION 3 yellow- dominantgreen- recessive TERM 4

seed shape (dom/rec)

DEFINITION 4 smooth-dominantwrinkle-recessive TERM 5

incomplete dominance

DEFINITION 5 one allele for a specific trait is not completely dominant over the other allele

flower color in snapdragons

red=RR x white=rr = pink Rr TERM 7

codominance

DEFINITION 7 neither allele is dominant to the other; heterozygote shows both traits TERM 8

coat color in cattle

DEFINITION 8 Red = R1R1 x white=R2R2 = Roan R1R2 (patchy red and white) TERM 9

sex linked trait

DEFINITION 9 result of genes located on the sex chromosomes TERM 10

x linked trait

DEFINITION 10 located on the x chromosome- x linked recessive trait: baldness, red-green colorblindness- x linked dominant trait: less common, genetic disordermales more likely to express recessive x-linked traits than females

blood transfer

sugar (antigen) on red blood cell + its antibody in plasma = immune response TERM 17

DNA fingerprinting

DEFINITION 17 modern method used for an ambiguos identification of peoplethe basis for DNA fingerprinting: difference in nucleotide sequences of their DNAeach person has a unique pattern of bandsall bands of the child should be found in the patterns TERM 18

steps of DNA fingerprinting

DEFINITION 18 extract DNA out of the bodycut DNA into fragments with restriction enzymesseparatethem on the basis of size and visualize them