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
0 h : 0 m : 1 s