Quiz
Bio Chapter 11 Quiz 2
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Questions in this quiz (42)
1Each pea-plant gamete has how may alleles for the height gene?
- A1
- B2
- C3
- D4
2Gregor Mendel’s principles of genetics apply to
- Aplants only.
- Banimals only.
- Cpea plants only.
- Dall organisms.
3A male and female bison that are both heterozygous for normal skin pigmentation (Aa) produce an albino offspring (aa). Which of Mendel’s principles explain(s) why the offspring is albino?
- Adominace only
- Bindependent assortment only
- Cdominance and segregation
- Dsegregation onlhy
4
Situations in which one allele for a gene is not completely dominant over another allele for that gene are called- Amultiple alleles
- Bincomplete dominance
- Cpolygenic inheritance
- Dmultiple genes
5A cross of a black chicken (BB) with a white chicken (WW) produces all speckled offspring (BBWW). This type of inheritance is known as
- Aincomplete dominance
- Bpolygenic inheritance
- Ccodominance
- Dmultiple alleles
6Variation in human skin color is an example of
- Aincomplete dominance
- Bcodominance
- Cpolygenic traits
- Dmultiple alleles
7The number of chromosomes in a gamete is represented by the symbol
- AZ
- BX
- CN
- DY
8If an organism’s diploid number is 12, its haploid number is
- A12
- B6
- C24
- D3
9Gametes have
- Ahomologous chromosomes.
- Btwice the number of chromosomes found in body cells.
- Ctwo sets of chromosomes.
- Done allele for each gene.
10Gametes are produced by the process of
- Amitosis.
- Bmeiosis.
- Ccrossing-over.
- Dreplication.
11What is shown in this picture here?
- Aindependent assortment
- Banaphase I of meiosis
- Ccrossing-over
- Dreplication
12Chromosomes form tetrads during
- Aprophase I of meiosis.
- Bmetaphase I of meiosis.
- Cinterphase.
- Danaphase II of meiosis.
13Unlike mitosis, meiosis results in the formation of
- Adiploid cells.
- Bhaploid cells.
- C2N daughter cells.
- Dbody cells.
14What is formed at the end of meiosis?
- Atwo genetically identical cells
- Bfour genetically different cells
- Cfour genetically identical cells
- Dtwo genetically different cells
15At the end of meiosis, there are
- Atwo haploid daughter cells.
- Bfour haploid daughter cells.
- Ctwo diploid daughter cells.
- Dfour diploid daughter cells.
16Gene maps are based on
- Athe frequencies of crossing-over.
- Bindependent assortment.
- Cgenetic diversity.
- Dthe number of genes in a cell.
17What principle states that during gamete formation genes for different traits separate without influencing each other’s inheritance?
- Aprinciple of dominance
- Bprinciple of independent assortment
- Cprinciple of probabilities
- Dprinciple of segregation
18Roan cattle show codominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?
- AIt would be red.
- BIt would be white.
- CIt would be spotted.
- DIt would be pink.
19Which of the following supports the claim that the environment can affect genetic traits?
- AOak trees get taller as they grow.
- BHydrangea flower color varies with soil pH.
- CDandelion plants are self pollinating.
- DPinion trees bear cones every other year.
20The arctic fox is blue-gray in the summer and white in the winter. What most likely influence(s) this change?
- Agenes and the environment
- Bdominant alleles
- Cthe environment alone
- Dcodominant alleles
21Which of the following assort independently?
- Achromosomes
- Blinked genes
- Cmultiple alleles
- Dcodominant alleles
22Linked genes
- Aare never separated.
- Bassort independently.
- Care on the same chromosome.
- Dare always recessive.
23Which trait is most likely linked to having a curved wing in the fruit fly in the figure?
- Adumpy wing
- Bvestigial wing
- Carc (bent wings)
- Dspeck wing
24The farther apart two genes are located on a chromosome, the
- Aless likely they are to be inherited together.
- Bmore likely they are to be linked.
- Cless likely they are to assort independently.
- Dless likely they are to be separated by crossing over.
25A 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
- Ablack.
- Bwhite.
- Cgray.
- Dspeckled.
26If two speckled chickens are mated, according to the principle of codominance, 25% of the offspring are expected to be speckled.
- ATrue
- BFalse
27If an organism has 16 chromosomes in each of its egg cells, the organism’s diploid number is 32.
- ATrue
- BFalse
28If an organism is heterozygous for a particular gene, the two different alleles will be separated during anaphase II of meiosis, assuming that no crossing-over has occurred.
- ATrue
- BFalse
29Genes in the same linkage group are usually inherited separately.
- ATrue
- BFalse
30The reddish brown pigment that gives color to a fruit-fly's eye is controlled by three genes, so a fruit fly's eye color is a [blank_start]polygenic trait[blank_end]
- Apolygenic trait
31An organism's gametes have [blank_start]half[blank_end] the number of chromosomes found in the organism's body cells.
- Ahalf
32Crossing-over occurs during the stage of meiosis called [blank_start]prophase I[blank_end].
- Aprophase I
33The genotype of the pink-flowered snapdragons is [blank_start]RI[blank_end].
- ARI
34What do the letters R and I represent in the picture?
- AR represents the allele for red flowers. I represents the allele for ivory flowers.
- BI represents the allele for red flowers. R represents the allele for ivory flowers.
- CR represents the allele for red flowers. I represents the allele for pink flowers.
- DR represents the allele for pink flowers. I represents the allele for ivory flowers.
35The alleles in the picture show...
(Be able to explain!!)
- ADominance
- BIncomplete Dominance
- CCodominance
36According to the picture, if red-flowered snapdragons and ivory-flowered snapdragons are crossed, what percentage of their offspring would be expected to be pink-flowered?
- A100%
- B75%
- C50%
- D25%
37Could the red snapdragons shown in the P generation in the picture ever have white offspring?
(Be able to explain!!)
- AYes
- BNo
38In the picture, what is the structure labeled X in stage A?
(Check all that apply)
- Agel
- Bnucleus
- Ctetrad
- Dhomologous pair
- Ecell
- Fmeiosis
39In the picture, during which stage might new allele combination form? Identify the stage.
- AStage A, Prophase I
- BStage E, Metaphase II
- CStage B, Metaphase I
- DStage F, Anaphase II
40List the stages in the picture in which the cells are 2N.
(Check all that apply)
- AA
- BB
- CC
- DD
- EE
- FF
- GG
41List the stages in the picture in which the cells are N.
(Check all that apply)
- AA
- BB
- CC
- DD
- EE
- FF
- GG
42Which stage does each cell have a single copy of each gene? Identify the stage.
- AStage A, Prophase I
- BStage G, Telophase II
- CStage F, Anaphase II
- DStage E, Metaphase Ii
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- Biology Quiz on Bio Chapter 11 Quiz 2, created by Tumaini Sango on 01/01/2017.
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- Tumaini Sango
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