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Chromosomes
Quiz 3
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Q.1
What is a nucleosome?
All the DNA and histones in a cell
chromatin that has been condensed
a histone with two coils of DNA wrapped around it
Q.2
Genes that are located on the same chromosome
human genome project
pedigree
biology
linked genes
Q.3
How many autosomes are there in a human sperm?
1
22
23
46
Q.4
Which of the following statements about homologous chromosomes is correct?
Each gene is at the same locus on both chromosomes.
They are two identical copies of a parent chromosome which are attached to one another at the centromere.
They come from the same parent.
They are chromosomes that have identical genes and alleles.
Q.5
Chromosomes that have the same sequence of genes and the same structure are ___________.
homologous chromosomes
alleles
phenotypes
genotypes
Q.6
The 23rd pair of chromosomes that do determine the sex of an individual are called ___________.
sex chromosomes
autosomes
homologous
genes
Q.7
The 2 female sex chromosomes are ___.
XY
XX
Q.8
A _______ is an egg that has been fertilized by a sperm cell.
gene
chromosome
zygote
embryo
Q.9
Cells that contain only ONE set of chromosomes are called ________ (n).
diploid
polyploid
triploid
haploid
Q.10
Cells that contain 2 sets of chromosomes are called _________ (2n).
diploid
haploid
triploid
polyploid
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