WorksheetsDNA_Gene_Chromosome
Total questions: 11
Worksheet time: 8mins
Humans are said to be "diploid" because
They have two sets of chromosomes from two parents.
They have one set of chromosome from two parents.
They have even number of chromosomes.
They have sister chromatids.
The center part of the duplicated chromosome is called "................"
Centrosome
Centromere
Centrioles
Microtubule
Gametes (sex cells) have one set of chromosome. That's why thay are said to be "................"
Diploid
Autosomes
Gonosomes
Haploid
The body cells in humans are also named as............
Somatic Cells
Sex Cells
Gametes
Reproductive Cells
Which one in the following is not counted as a "somatic cell"?
Liver Cell
Tongue Cell
Egg Cell
Hair root cell
The sex chromosomes in males are
Only X
XX
XY
Only Y
The chromosomal formula of a male organism in its somatic cells with 64 chromosomes:
2n=60+4
n=31+X
2n=62+XY
n=32+XY
What is the name of the proteins on the centromere on chromosomes, to which spindle fibers attach?
Histones
Kinetochore
Spindle Fibers
Microtubules
What is incorrect about chromosomes?
Autosomal chromosome number is larger than gonosomes
Gonosomal chromosomes determine sex
Humans have 2 autosomal chromosomes.
Haploid chromosome number in humans is 23
The pair of the chromosomes that has the same shape and size and carry the same type of gene on the same locus is called:
Homologous
Sister chromatids
Nucleosomes
Chromatin strand
The chromosomes that come from father are called
(a)
