Non-Mendelian Flashcards

1
Q

What is Incomplete Dominance

A

When an organism is heterozygous for a trait, but instead of displaying one phenotype, it displays a mixture of both possible phenotypes

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2
Q

Example of Incomplete Dominance

A

Red Rose + White Rose = Pink Rose

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3
Q

What is Codominance

A

When two alleles are present in an organism and both phenotypes are shown in the organism

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4
Q

Example of Codominance

A

Black Chicken + White Chicken = Speckled Chicken that is black and white

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5
Q

Incomplete Dominance has how many phenotypes

A

Three

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6
Q

Codominance has how many phenotypes

A

Three

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7
Q

What is multiple alleles

A

When there are more than two alleles for a gene in a population

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8
Q

Example of multiple alleles

A

Blood typing

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9
Q

What are sex linked traits

A

Traits that are controlled by genes found on the sex chromosomes (X chromosomes)

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10
Q

Sex linked traits are most often found in the ______ chromosome

A

X

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11
Q

In sex linked traits, who is always the carrier

A

Females

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12
Q

In sex linked traits, the male either ______ the trait, or ______ the trait

A

Has ; doesn’t have

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13
Q

In sex linked traits, the trait is passed by ____________

A

X chromosomes

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14
Q

In pedigrees, a circle represents a ______

A

Female

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15
Q

In a pedigree, a square represents a ______

A

Male

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16
Q

In a recessive trait pedigree, a shaded circle or square represents an ______ individual

A

Affected

17
Q

In a recessive trait pedigree, a half shaded shape represents a _______ of the trait

A

Carrier

18
Q

Mendel’s rule of dominance is ______

A

Rare

19
Q

Multiple alleles is a _____________

A

Range of values ; a scale ; short to tall

20
Q

How do you identify what kind of pedigree a pedigree is

A

Compare affected males to females, count how many are affected total, count how many phenotypes there are, check if it skips a generation

21
Q

Where are antigens located

A

On the red blood cells

22
Q

Where are antibodies located

A

In your blood

23
Q

Blood type A genotypes for homozygous and heterozygous

A

Homo - II (A above both Is)
Hetero - Ii (A above first I)

24
Q

Blood type B homozygous and heterozygous genotypes

A

Homo - II (B above both Is)
Hetero - Ii (B above first I)

25
Q

Blood type AB genotype

A

II (A above first I, B above second I)

26
Q

Blood type O genotype

A

ii

27
Q

The antigens on type A blood are type ______ and the antibodies are type ______

A

A ; B

28
Q

The antigens on type B blood are type ______, and the antibodies are type ______

A

B ; A

29
Q

The antigens on type AB blood are _______ and the antibodies are type ______

A

A + B ; none, there are no antibodies present

30
Q

The antigens on type O blood are type ______ and the antibodies are type _______

A

None, there are no antigens present ; A + B

31
Q

Polygenic means…

A

Many genes that decide one trait

32
Q

If blood type is ______ then the blood has Rh protein, if blood type is ______ then blood doesn’t have Rh protein

A

Positive ; negative