WorksheetsChromosomes
Total questions: 30
Worksheet time: 18mins
What type of molecules make up the genetic components of chromosomes?
DNA
ATP
A Teepee
genes
How many pairs of chromosomes are in a human being?
23
44
89
72
What form does the genetic material take when the cell is not dividing?
Wound up in tubes.
Chromatin.
Tubes shaped like an X.
All of the above.
Where are chromosomes found in a cell?
In the neutron of the cell.
In the nucleus of the cell.
In the proton of the cell.
In the cell membrane of the cell.
Why is DNA important?
it is very small and very complicated
it's in everything
it serves as the blueprint for traits of all living things
because we eat it every day for energy
If we were to look inside a normal human bone cell, how many total chromosomes would we find?
1
2
23
46
DNA and its associated proteins condense into thickened threads known as _____.
chromatin
genes
histones
karyotypes
During interphase, the DNA is in the form of _____.
chromatin
chromosomes
chromatids
centromeres
Two identical copies of a single replicated chromosome that are connected by a centromere.
Chromatin
Homologous chromosomes
Sister chromatid
Centromere
_____ determines the number of chromosomes.
The number of centromeres
The number of centrioles
The number of centrosomes
All of these are correct.
The diploid condition for a human = _____.
46 chromosomes
2n
Both 46 chromosomes & 2n are correct.
Neither 46 chromosomes nor 2n are correct.
The haploid condition for a human = _____.
46 chromosomes
2n
Both 46 chromosomes & 2n are correct.
Neither 46 chromosomes nor 2n are correct.
What kind of protein are chromosomes made of?
histone
hertone
aminoo acid
None of these are correct.
(sister) chromatid
A _______ is a segment of DNA that codes for a specific protein or RNA molecule.
gene
gamete
chromosome
chromatid
Chromosomes that are paired by size and content are called _______ chromosomes.
homeostasis
homologous
matching
sister
Body cells are also called _________ cells.
normal
prokaryotic
pathogens
somatic
A _______ is an egg that has been fertilized by a sperm cell.
gene
chromosome
zygote
embryo
The chromosomes that are not involved in determining the sex of an individual are called __________.
sex chromosomes
mutations
autosomes
homologous
The 2 female sex chromosomes are ___.
XY
XX
The 2 male sex chromsomes are _____.
XY
XX
The 23rd pair of chromosomes that do determine the sex of an individual are called ___________.
sex chromosomes
autosomes
homologous
genes
A photo of the chromosomes in a dividing cell that are arranged by size is called a _________.
mutation
gene
picture
karyotype
Down Syndrome is also known as _________.
Trisomy 18
Trisomy 21
Monosomy X
Trisomy 13
