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Q 1/43
Score 0
3 or more alleles of a single gene that code for a single trait (ex. blood type)
30
multiple allele
incomplete dominace
polygenic traits
codominance
Q 2/43
Score 0
When both allele forms show up in the individual it is called_________.
30
polygenic traits
incomplete dominance
codominance
multiple alleles
43 questions
Q.
3 or more alleles of a single gene that code for a single trait (ex. blood type)
1
30 sec
Q.
When both allele forms show up in the individual it is called_________.
2
30 sec
Q.
the presence of a gene on a sex chromosome
3
30 sec
Q.
Incomplete dominance when both alleles are partially expressed in a BLENDED appearance of the trait (EX: white flower x red flower = pink flower).
4
30 sec
Q.
_____________________ is when the heterozygote partially expresses both traits (EX: white flower x red flower = red flower with white spots).
5
30 sec
Q.
2 or more genes contribute to a single phenotype (different degrees of expressing trait: height, skin color, weight)
6
30 sec
Q.
ABO blood types are an example of ____.
7
30 sec
Q.
What conditions will guarantee that a male offspring will have red-green color blindness?
8
30 sec
Q.
What type of inheritance do two alleles have if their traits blend together?
9
30 sec
Q.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
10
30 sec
Q.
A plant shows incomplete dominance in size. A tall plant (TT) is crossed with a medium plant (Tt). What fraction of plants will also be tall?
11
30 sec
Q.
A red flowered plant (RR) breeds with a White flowered plant (rr). The gene for petal color in these plants expresses incomplete dominance so they are pink. What percentage of the offspring will have pink (Rr) flowers?
12
30 sec
Q.
A pattern of inheritance in which a trait is carried on one of the sex-determining chromosomes.
13
30 sec
Q.
Different forms of a gene is called___________.
14
30 sec
Q.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
15
30 sec
Q.
Colorblindness is more common in males than in females because the allele for colorblindness is
16
30 sec
Q.
If a gene's alleles are codominant the heterozygous offspring will display
17
30 sec
Q.
If a gene's alleles are said incomplete dominance the heterozygous offspring will display
18
30 sec
Q.
Colorblindness is a recessive, X chromosome sex-link disorder. Cross the parents to figure out which percentage of their offspring will be colorblind.
19
30 sec
Q.
Hemophilia is a x-linked disorder. A woman is a carrier for the disorder. Which is the correct genotype? (the "H" "h" are supposed to be superscripts)
20
30 sec
Q.
Snap dragon color is an incompletely dominant trait. A red flower (RR) is crossed with white flower (rr). What color are flowers that are Rr?
21
30 sec
Q.
In Andalusian fowls, black individuals (BB) and white individuals (bb) are homozygous. Heterozygous individuals are grey (Bb). What are the possible genotypes for a cross between a grey fowl and a white fowl?
22
30 sec
Q.
A woman that has Type AB blood marries a man with type O blood. What are the chances of a child with type A blood?
23
30 sec
Q.
Colorblindness is a sex-linked recessive trait on the X chromosome. What's the genotype of a woman who is colorblind? (B=normal b= colorblind)
24
30 sec
Q.
In chickens, there is black feathers(TT), white feathers(tt), or black and white striped feathers(Tt). What kind of dominance is this called?
25
30 sec
Q.
Eye color, skin color, and hair color are examples of traits that are controlled by...
26
30 sec
Q.
polygenic inheritance
27
30 sec
Q.
Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:
28
30 sec
Q.
What type of heredity is shown in the pedigree?
29
30 sec
Q.
How many children did the parents have? (II generation)
30
30 sec
Q.
How many girls are in the IV generation?
31
30 sec
Q.
How many boys are in the III generation?
32
30 sec
Q.
Trisomy 21 (Down Syndrome) is caused from_______________>
33
30 sec
Q.
On which of the following chromosomes are sex-linked traits carried?
34
30 sec
Q.
A disease caused by nondisjunction is
35
30 sec
Q.
A genetic disorder caused by a dominant allele is
36
30 sec
Q.
A brown guinea pig is mated with a white guinea pig. Their offspring are brown and white spotted guinea pigs.
37
30 sec
Q.
Inheritance pattern where traits seem to skip generations or are passed from mother to son.
38
30 sec
Q.
What inheritance pattern is exemplified by the example below?
A brown guinea pig is mated with a white guinea pig. Their offspring are light brown guinea pigs.
39
30 sec
Q.
Inheritance pattern identified by offspring phenotype showing as a blend of parental phenotypes.
40
30 sec
Q.
An example of this inheritance pattern would be colorblindness.
41
30 sec
Q.
Inheritance pattern identified by offspring having a range (variety) of phenotypes.
42
30 sec
Q.
Inheritance pattern identified by offspring showing both parental phenotypes equally.
