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Questions in this quiz (27)
1Which of the following diseases only occurs in females?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
2Which of the following diseases occurs mostly in males?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
3What is another name for Trisomy 21?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
4Which of the following diseases is characterized by the misfolding of hemoglobin?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
5The heterozygotes of which of the following disease have resistance to malaria?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
6Which of the following is caused by the enzyme deficiency?
- ADown syndrome
- BTay-Sachs disease
- CTurner syndrome
- DSickle cell anemia
- ERed-green color blindness
7Which of the following results in aneuploidy?
- ACrossing-over
- BIndependent assortment
- CTranslocation
- DNondisjuntion
- ESegregation
8Which of the following is characterized by the random distribution of each maternal and paternal chromosome into daughter cells?
- ACrossing-over
- BIndependent assortment
- CTranslocation
- DNondisjunction
- ESegregation
9What is it called when homologous pairs or sister chromatids fail to separate during anaphase?
- ACrossing-over
- BIndependent assortment
- CTranslocation
- DNondisjunction
- ESegregation
10What is it called when part of a chromomse breaks of and attaches to a nonhomologous chromosome?
- ACrossing-over
- BIndependent assortment
- CTranslocation
- DNondisjunction
- ESegregation
11What is it called when part of a chromosome breaks off and attaches to a homologous chromosome?
- ACrossing-over
- BIndependent assortment
- CTranslocation
- DNondisjunction
- ESegregation
12What is the probability of the phenotype of the offspring will be dominant for A and recessive for B?
- A0
- B1/4
- C1/2
- D3/4
- E3/16
13What is the probability that the dominant phenotype will be produced by parent Aa x Aa?
- A0
- B1/4
- C1/2
- D3/4
- E3/16
14What is the probability that the genotype AABb will be produced by the parents AaBb x aabb?
- A0
- B1/4
- C1/2
- D3/4
- E3/16
15What is the probability that the gamete ab will be produced by the parent AaBb?
- A0
- B1/4
- C1/2
- D3/4
- E3/16
16There are three alleles for blood type in humans (2n). How many different alleles may be present in the bone cell of one individual?
- AOne
- BTwo
- CThree
- DSix
- EEight
17How many different genotypes are possible form the cross Aabb x AaBb?
- AThree
- BFour
- CSix
- DNine
- ESixteen
18How many phenotypes are possible from the cross Aabb x AaBb?
- ATwo
- BFour
- CSix
- DEight
- ESixteen
19Which of the following processes creates new combinations of genes on chromosomes?
- ABase pair substitution
- BPosttranscriptional processing
- CIndependent assortment
- DCrossing-over
- ESegregation
20A couple has six daughters. What is the probability the next child will be a daughter?
- A0
- B1/2
- C(1/2)^6
- D(1/2)^7
- E1
21A couple has four children, only one of whom has sickle cell anemia. What is the probability their fifth child will be phenotypically normal?
- A0
- B1/4
- C1/2
- D3/4
- E1
22In a fictional species of insect, eye shape is determined by a single gene with two alleles. An insect homozygous for round eyes is crossed with an insect homozygous for elongated eyes. All the F1 offspring have oval eyes. If members of the F1 generation are crossed, what percent of their offspring (F2) are expected to have round eyes?
- A100 percent
- B75 percent
- C50 percent
- D25 percent
- E0 percent
23In drosophila, normal wings (N) are dominant to vestigial wings (n) and a grey body (G) is dominant to a black body (g). The offspring of a particular cross produced 412 flies with normal wings, and 192 flies with grey bodies and 220 flies with black bodies. Which were most likely the genotypes of the parents?
- ANnGg x NnGg
- BNnGg x NNGg
- CNngg x nnGg
- DNnGg x NNgg
- ENNgg x nnGG
24In drosophila, normal wings (N) are dominant to vestigial wings (n), and a grey body (G) is dominant to a black body (g). A cross between heterozygote flies and homozygote recessive flies produced 402 grey, normal-winged flies, 416 black, vestigial-winged flies, 90 black, normal winged flies, and 92 grey, vestigial winged flies. Which of the following best explains these results?
- AIndependent assortment of homologous chromosomes
- BSegregation of alleles during gamete formation
- CCrossing-over between liked genes
- DHeterozygotes crossed with homozygotes are expected to have these ratios.
- ESome of the flies must have mated with flies that weren't part of the experiment.
25Which of the following best describes the relationship between linked genes and the rate of crossing-over between them?
- ATwo genes far apart on a chromosome will not appear to assort independently.
- BThe distance between the genes is inversely proportional to their rate of crossing-over.
- CThe recombination frequency is directly proportional to the distance between genes.
- DTwo genes on different chromosomes may be linked if they are inherited together.
- EChromosomes that contain sex-linked genes do not assort independently.
26Human spermatogenesis produced four sperm, two with 24 chromosomes and two with 22 chromosomes. The nondisjunction event that caused this probably occurred during which phase of meiosis?
- AS phase
- BMeiosis I
- CAnaphase II
- DInterkinesis
- ECytokinesis
27A karyotype of a white blood cell can be used to diagnose all of the following disorders EXCEPT
- ADown syndrome
- BSickle cell anemia
- CTurner syndrome
- DKlinefelter syndrome
- EChromosomal translocation
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- High School AP Biology (Heredity) Quiz on Heredity, created by Shirley Zhu on 24/03/2015.
- Author
- Shirley Zhu
- Language
- English
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