Worksheetschapter 5: Codominant gene
Total questions: 12
Worksheet time: 14mins
The process to produce sperms is known as ...
meiosis
mitosis
crossing over
fertilization
When a sperm fertilize with an ovum, a __________ will be produced.
foetus
baby
zygote
embryo
Choose the correct sequence for the life development.
baby --> foetus --> embryo --> zygote
embryo --> foetus --> zygote --> baby
foetus --> zygote --> embryo --> baby
zygote --> embryo --> foetus --> baby
What means codominant gene?
stronger gene
weaker gene
genes have same strength
For blood group, which of the following alphabet represent codominant gene?
A
B
O
no answer
Which of the following alphabet represent recessive gene for blood group?
A
B
O
no answer
Which of the following genotype represent blood group A?
AA
AO
AB
The parental blood group genotype are AA and BB. What is the percentage to get a baby show in blood group AB?
0%
25%
50%
75%
100%
What means codominant gene?
stronger gene
weaker gene
genes have same strength
The parental blood group genotype are AA and BB. What is the percentage to get a baby show in blood group AB?
0%
25%
50%
75%
100%
The parental blood group genotype are OO and BB. What is the ratio for blood group B baby an blood group O baby?
1 : 1
3 : 1
1 : 3
4 : 0
0 : 4
