問題一覧
1
Examples of chromosomal mutations are ________?.
D. All of the above
2
LIS stands for?
C. Laboratory Information System
3
When the genotype consists of a dominant and a recessive allele, most of the time the phenotype will be like ______ allele.
A. The dominant
4
Also known as array comparative genomic hybridization (aCGH).
C. Microarray analysis
5
How traits are transmitted from one generation to the next. What law is this?
C. The Laws of Inheritance
6
A condition in which a chromosome abnormality is present in some cells of the body but not all.
D. Mosaicism
7
Which of the following doesn't fit as a clinical description of Fanconi anemia?
A. Thrombocytosis
8
Patients with Fanconi anemia manifest low RBC, WBC, and platelets count
A. The statement is correct
9
When dominant alleles are present but fail to show up as a phenotype, the condition is termed as?
B. Incompletely penetrant
10
Test performed to diagnose and confirm Williams Syndrome?
A. Fluorescence in situ Hybridization (FISH)
11
There are 4 main blood groups A, B, AB, and O. Your blood group is determined by the genes you inherit from your parents. Type AB blood is expressed by:
B. Codominance
12
Which of the following statements is true of sex chromosome abnormalities in humans?
A. They usually have mild effects and are rarely fatal
13
Phenotype AO
C. Dominant-recessive
14
Phenotype AB
B. Codominant
15
Male sex chromosome abnormalities can be due to abnormal numbers of _______ chromosome
C. Either the X or the Y
16
If someone only has one X chromosome and no Y chromosome in their somatic cells, they:
B. have turner syndrome
17
It is the probability that an individual having a dominant allele will show the associated phenotype.
A. Penetrance
18
What are the stages of mitosis arranged in order?
A. Interphase- Prophase- Metaphase- Anaphase- Telophase
19
A pair of chromosomes that consists of XX is a
B. Female
20
A pair of chromosomes that consists of XY is a
A. Male
21
Which of the following may use RNA as its genome?
D. Virus
22
Ribosomes are composed of rRNA and what other component/
A. Proteins
23
Which of the following types of RNA is known for its catalytic abilities?
C. rRNA
24
A nucleic acid is purified from a mixture. The molecules are relatively small, contain uracil, and most are covalently bound to an amino acid. Which of the following was purified?
B. tRNA
25
Which of the following statements is/are true regarding chromosome disorder?
A. Chromosome disorder can originate from abnormalities with chromosome structure
26
Which is the study of genes at the level of atoms and molecules?
B. Molecular Genetics
27
Refers to a condition wherein an organism has extra chromosomes or is missing chromosomes.
B. Aneuploidy
28
This the basic physical and functional unit of heredity.
A. Gene
29
Characteristics such as hair, eyes, or skin color is a _______
C. Phenotype
30
Which of the following statements about sex chromosome abnormality is true?
B. They usually have mild effects and rarely are fatal
31
Which is the study of the change in alleles and genetic variation in a group of organisms?
C. Population Genetics
32
A trait one that manifests itself even when an allele is an heterozygous state.
A. Dominant
33
All of the ff are true except:
A. Humans have 43 pairs of chromosomes
34
Prokaryotic cells reproduce by:
A. Binary fission
35
Chromosome disorders affecting males can be due to abnormal number of ___________
C. both X & Y
36
If an individual only has one X chromosome and no Y chromosome in their somatic cells, this individual has?
B. Turner Syndrome
37
Major site of ATP synthesis when oxygen is available.
E. Mitochondria
38
Chromosomal abnormality that causes a man to have a sexual to feminine body contours with large breast, small penis, testes and prostate gland; relatively little body hair; and sterility is;
A. Klinefelter Syndrome
39
A procedure that displays the pairs of chromosomes in a cell is called?
B. Karyotype
40
Site of protein synthesis?
B. Ribosome
41
The study of genes at the level of atoms and molecules
MOLECULAR GENETICS
42
A study of the change in alleles and genetic variation in a group of organisms.
POPULATION GENETICS
43
two alleles being identical
A. homozygous
44
two alleles having a different nucleotide sequence, which may be caused by mutations.
B. heterozygous
45
– the genetic composition of the individual.
C. Genotype
46
– the capability to inherit a trait from a parent.
A. heritability
47
Trait-when the mutant allele is located on the X chromosome (Male) and Y chromosome for (Female).
A. Sex linked trait
48
Unicellular organisms whose cells lack a nucleus and therefore have DNA floating loosely in the liquid center of the cell.
B. Prokaryotes
49
Your genome is contained in 23 pairs of chromosomes (for a total of 46 chromosomes in every cell). Home to most eukaryotic organism's DNA.
Nucleus
50
Are threadlike strands composed of DNA. To pass genetic traits from one generation to the next, the chromosomes must be copied, and then the copies must be divied up.
D. Chromosomes
51
These chromosomes determine sex — male or female. Human cells contain two sex chromosomes. Females should have two X chromosomes, while males should have an X chromosome and a Y chromosome.
Sex chromosomes
52
refers to non-sex chromosomes. Sticking with the human example, if you do the math, you can see that humans have 44 autosomal chromosomes. Your autosomal chromosomes are identified by numbers — 1 through 22 — and are generally arranged based on size, with chromosome 1 being the largest and chromosome 22 being the smallest.
Autosomal chromosomes