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WorksheetsGenetics - Biology B
Total questions: 57
Worksheet time: 29mins
Name
Class
Date
1.
A section of DNA that is wrapped around proteins called histones (#2)
a)
Chromatin
b)
Chromosome
c)
Chromatid
d)
Centromere
2.
One half of a duplicated chromosome
a)
Chromatid
b)
Chromatin
c)
Chromosome
d)
Centromere
3.
Two identical chromatids
a)
Sister chromatids
b)
Brother chromatids
c)
Cousin chromatids
d)
Centromeres
4.
One long continuous thread of DNA that consists of numerous genes and regulatory info (#1)
a)
Chromosome
b)
Chromatid
c)
Chromatin
d)
Centromere
5.
The proteins that DNA wraps around when condensing. #2 points to them.
a)
Histones
b)
Biomes
c)
Centromeres
d)
Enzymes
6.
Where sister chromatids stick together. It looks like a pinched area
a)
Centromere
b)
Chromosome
c)
Chromatin
d)
Chromatid
7.
A pair of chromosomes that have the same genes with one coming from each parent
a)
Homologous chromosomes
b)
Heterologous chromosomes
c)
Homozygous chromosomes
d)
Heterozygous chromosomes
8.
A microtubule structure that controls chromosomes movement during mitosis and meiosis.
a)
Spindle fibers
b)
Chromatin
c)
Centromere
d)
Telomeres
9.
The 3 events in a cell's life including growth, duplication of genetic material, and division.
a)
Cell cycle
b)
Mitosis
c)
Meiosis
d)
Cytokinesis
10.
When the chromosomes align along the equator of the cell.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
11.
The longest phase of the cell cycle
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Telophase
12.
Where the cell undergoes growth and replication of its chromosomes and organelles.
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
13.
The first stage of mitosis and meiosis
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
14.
The second stage of mitosis and meiosis
a)
Prophase
b)
Metaphase
c)
Telophase
d)
Anaphase
15.
The third stage of mitosis or meiosis
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
16.
When chromatin condenses to form chromosomes
a)
Prophase
b)
Metaphase
c)
Telophase
d)
Anaphase
17.
When sister chromatids (mitosis or meiosis II) or chromosome pairs (meiosis I) are separated
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
18.
The fourth stage of mitosis and meiosis
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
19.
When chromosome separation is completed, chromosomes uncoil, and daughter nuclei form
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
20.
The division of cytoplasm into two daughter cells during cell division.
a)
Interphase
b)
Mitosis
c)
Meiosis
d)
Cytokinesis
21.
A process where a eukaryotic cell divides to result in two identical somatic daughter cells
a)
Interphase
b)
Mitosis
c)
Meiosis
d)
Cytokinesis
22.
When the nuclear envelope disappears, and the spindle begins to form
a)
Prophase
b)
Metaphase
c)
Telophase
d)
Anaphase
23.
The process of chromosome reduction - when one diploid cell will divide into 4 haploid cells or gametes
a)
Interphase
b)
Mitosis
c)
Meiosis
d)
Cytokinesis
24.
The exchange of genetic information between homologous chromosomes.
a)
Crossing over
b)
Nondisjunction
c)
Karyotype
d)
Sex-linked trait
25.
If chromosomes do not split right, some gametes may have more genetic info or less genetic info
a)
Crossing over
b)
Non-disjunction
c)
Sex-linked trait
d)
Karyotype
26.
Non-sex chromosomes. Meaning chromosomes which do NOT determine the sex of offspring.
a)
Autosome
b)
Karyotype
c)
Crossing over
d)
Gamete
27.
An image of a complete set of chromosomes
a)
Karyotype
b)
Gamete
c)
Autosome
d)
Nondisjunction
28.
An allele (colorblindness for example) which is located on a sex chromosome.
a)
Sex-linked
b)
Gamete
c)
Autosome
d)
Sexual reproduction
29.
A haploid cell that has half of the normal amount of chromosomes
a)
Gamete
b)
Autosome
c)
Sperm
d)
Egg
30.
The haploid sex cell for males
a)
Sperm
b)
Egg
c)
Gamete
d)
Autosome
31.
The haploid sex cell for females
a)
Sperm
b)
Egg
c)
Gamete
d)
Autosome
32.
A cell with two sets of chromosomes
a)
Diploid
b)
Haploid
c)
Egg
d)
Sperm
33.
A cell with one set of chromosomes
a)
Diploid
b)
Haploid
c)
Egg
d)
Sperm
34.
The type of reproduction in which genetic material is passed by two parents to an offspring
a)
Sexual reproduction
b)
Asexual reproduction
c)
Binary fission
d)
Budding
35.
The type of reproduction in which offspring receive genetic material from one parent (clone).
a)
Sexual reproduction
b)
Asexual reproduction
36.
A group of cells which are developing into a complete organism prior to birth.
a)
Embryo
b)
Zygote
c)
Stem Cells
d)
Determination
37.
A fertilized egg which is formed from the union of an egg and sperm.
a)
Embryo
b)
Zygote
c)
Stem Cells
d)
Determination
38.
Cells produced during the 1st few divisions which have the potential to become <b>any </b>type of cell
a)
Embryo
b)
Zygote
c)
Stem Cells
d)
Determination
39.
The genetic representation of an allele (Bb, BB, bb)
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
40.
The outward appearance of an allele (Brown Hair)
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
41.
An allele which covers up another allele.
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
42.
An allele which is covered up by another allele.
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
43.
Alleles given by both parents which are the same.
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
44.
Alleles given by both parents which are different.
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
45.
Alternative forms of a gene (For example: Hair color can be brown, blonde, red, black)
a)
Allele
b)
Genotype
c)
Phenotype
d)
Dominant
46.
BB
a)
Homozygous Dominant
b)
Heterozygous Recessive
c)
Homozygous Recessive
d)
Heterozygous Dominant
47.
bb
a)
Homozygous Recessive
b)
Homozygous Dominant
c)
Heterozygous Dominant
d)
Heterozygous Recessive
48.
Bb
a)
Homozygous dominant
b)
Heterozygous
c)
Homozygous recessive
d)
Heterozygous dominant
49.
Why can we not use mitosis to divide gametes, and get the same # of chromosomes as the parents?
a)
We get 2 complete sets of chromosomes from our parents
b)
If we used mitosis we would end up w/ double the chromosomes
c)
We need ALL our parents chromosomes
d)
I don't understand what you mean?
50.
When does crossing over take place?
a)
Prophase I
b)
Prophase II
c)
Metaphase II
d)
Metaphase I
51.
1 otter is heterozygous for grey fur & 1 is homozygous for a brown, what is the dominant gene?
a)
Brown
b)
Grey
c)
Neither
d)
IDK
52.
A in this image is a
a)
Gamete
b)
Zygote
c)
Gastula
d)
Fetus
53.
D in this image is a
a)
Gamete
b)
Zygote
c)
Gastula
d)
Fetus
54.
E in this image is a
a)
Gamete
b)
Zygote
c)
Blastula
d)
Fetus
55.
C in this image is a
a)
Gamete
b)
Zygote
c)
Blastula
d)
Fetus
56.
B in this image is a
a)
Gamete
b)
Zygote
c)
Blastula
d)
Fetus
57.
If you wanted to find the probability of having five children in a row that are female
a)
Multiplication Rule
b)
Addition Rule
c)
Both Multiplication & Addition Rules
d)
O'doyle Rules
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