Genetic & Blood Test

Question 1

Law of independent assortment

Answer 1

States that genes separate independently in meiosis
Sperm & egg meet
One allele from each to form to make a child

Question 2

Incomplete dominance

Answer 2

Dominant allele is unable to fully express itself
Heterozygous black
Purebred recessive white
Child turns out white/tan

Question 3

Codominance

Answer 3

Both alleles for a gene are fully expressed

AB

Question 4

trait

Answer 4

genetically determined variant of a characteristic

feature, yellow flower

Question 5

allele

Answer 5

different versions of a gene

one out of the genotype (1 letter)

Question 6

gene

Answer 6

codes for a specific trait unit of heredity

Question 7

dominant

Answer 7

gene thats expressed, capital

Question 8

recessive

Answer 8

trait hidden by dominant, lower case

Question 9

homozygous

Answer 9

2 of the same alleles TT or tt

Question 10

heterozygous

Answer 10

person has 2 different alleles Tt

Question 11

genotype

Answer 11

genetic make up of an organism, combination of genes for 1 or more specific traits TT, Tt, tt

Question 12

phenotype

Answer 12

organisms appearance that results from the genotype TT-tall

Question 13

probability

Answer 13

likely hood that a future event will occur, ratio 3:1

Question 14

polygenic trait

Answer 14

describes a characteristic thats influenced by many genes

skin color, controlled by many genes

Question 15

pedigree

Answer 15

chart shows occurence of genetic traits in several generations of a family

Question 16

karyotype

Answer 16

photomicrograph of chromosomes

Question 17

in blood types can a - recieve a positive?

positive receive -?

Answer 17

positive receives anything

negative can never receive a positive

Question 18

heredity

Answer 18

passing of traits from parents to offspring

Question 19

genetics

Answer 19

branch of science that studies heredity

Question 20

gregor mendel

Answer 20

father of modern genetics

Question 21

what did mendel use ?

Answer 21

peas

Question 22

purebred examples

Answer 22

TT or tt

Question 23

hybrid

Answer 23

Yy

Question 24

genotype ratio

Answer 24

homo:hetero:homo recessive

Question 25

phenotype ratio

Answer 25

D:r

Question 26

what can you determine about a family using a pedigree ?

Answer 26

how traits are passed and who passed them

Question 27

sex linked genetically inherited traits can appear in? males or females?

Answer 27

both males and females

Question 28

Y-linked traits are inherited by ?

Answer 28

only males

Question 29

red green color blindness is Xlinked | men who have this must have inherited the genes for it from ?

Answer 29

from their mothers

Question 30

women = XX men = XY which of a mans grandparents could be the source of any of the genes on his y Chromosome ?

Answer 30

fathers father

Question 31

which of a womens grandparents could NOT be the source of any of the genes on either he X chromosomes?

Answer 31

fathers father

Question 32

how is blood type O expressed in genotype?

Answer 32

ii

Question 33

blood A genotype

Answer 33

I^Ai or I^AI^A

Question 34

blood B genotype

Answer 34

I^Bi or I^BI^B

Question 35

blood AB genotype

Answer 35

I^AI^B

Question 36

what blood is the universal donor ?

Answer 36

type O+

Question 37

what blood is the universal receiver ?

Answer 37

AB+

Question 38

homozygous for the B allele

Answer 38

I^BI^B

Question 39

heterozygous for the A allele

Answer 39

I^Ai

Question 40

type O

Answer 40

ii

Question 41

type A and had a type O parent

Answer 41

I^Ai

Question 42

Type AB

Answer 42

I^AI^B

Question 43

blood can be donated to anybody

Answer 43

ii

Question 44

can only get blood from type O donor

Answer 44

ii

Question 45

antibodies in plasma for blood A

Answer 45

anti B

Question 46

antibodies in plasma for blood B

Answer 46

anti A

Question 47

antibodies in plasma for blood AB

Answer 47

none

Question 48

antibodies in plasma for blood O

Answer 48

anti A & B

Question 49

what do the antigens do ?

Answer 49

mark the type of blood you have ex. type A blood has antigens A type O blood has no antigens

Question 50

coagulation

Answer 50

blood clumps together

Question 51

Rh protein is present is it positive or negative ?

Answer 51

positive

Question 52

letters on the outside/ inside of the punnett square representation

Answer 52

outside - mother & father genotypes | inside - chances of each childs genotype

Question 53

difference between dihybrid & monohybrid cross

Answer 53

dihybrid has more combinations of alleles possible because 2 characteristics are crossed instead of 1

Question 54

what gender is most likely to inherit a sex-linked trait ?

Answer 54

male because they only have 1 x-chromosome so the trait that is passed down is the trait they have