Worksheetschapter 5: Gene and Character
Total questions: 20
Worksheet time: 10mins
What is dominant gene?
weaker gene
stronger gene
represent by capital letter
can only show it's characteristic when pairs with itself
can always show it's characteristic either it pairs with itself or other gene
What is recessive gene?
weaker gene
stronger gene
represent by small letter
can only show it's characteristic when pairs with itself
can always show it's characteristic either it pairs with itself or other gene
Which of the following examples represent the homozygous genotype?
tt
Tt
TT
Which of the following examples represent the heterozygous genotype?
tt
Tt
TT
Which sentence is FALSE?
All organisms have 23 pairs of chromosomes
Chromosomes are made of genes
The basic unit of DNA is nucleotide
Chromosomes can only be found in nucleus
HOMOZYGOUS means
same
different
HETEROZYGOUS means
same
different
The process for a cell splits to produce new daughter cells is ..
Crossing over
cell division
replication
Fertilization
A segment of DNA is known as...
gene
allele
chromosome
chromatid
In pea plants, purple flowers (P) are dominant to white flowers (p). The phenotype of a PP plant would be
purple
white
homozygous
heterozygous
In mice, black fur (B) is dominant to brown fur (b). A Bb mouse would have the phenotype of
brown fur
black fur
white fur
Which of the following examples represent the homozygous genotype?
tt
Tt
TT
Homozygous means
same
different
Homozygous means
same
different
Process X is used to produce sex cells. Name the process X.
Mitosis
Cell division
Fertilization
Meiosis
The process is to combine parental sex cells is known as....
Mitosis
Cell division
Fertilization
Meiosis
Sex cells also known...
Somatic cells
Body cells
Reproductive cells
Gametes
The sex cells of men are...
Pollen
Sperms
Ovum
Fallopian Tube
T represent tall, t represent sjort. Based on the diagram provided, what is the percentage to get a short baby?
100％
75%
50%
25%
0%
