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Course: Edexcel A Level Biology A (SNAB) 9BI0
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Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

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Topic 2 · Genes and Health

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Topic 3 · Voice of the Genome

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Topic 4 · Biodiversity and Natural Resources

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Topic 5 · On the Wild Side

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Topic 6 · Immunity, Infection and Forensics

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Topic 7 · Run for your Life

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Topic 8 · Grey Matter

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Quiz

3.2.3 Practical- Identifying Mitosis in Plant Cells – Unit exam questions

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  • Questions count: 13
  • Passing grade: B+
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1.
Which hypothesis suits a fruit-fly linkage experiment?
Body colour and wing shape genes will show fewer than 50% recombinant offspring
Flies are small
Wings are useful
Flies breed
2.
Which structure is found in both prokaryotic and eukaryotic cells?
A nucleus
Golgi apparatus
Ribosomes
Mitochondria
3.
Which best defines epigenetics?
Changes in DNA base sequence
Mutations in gametes
Protein folding
Heritable changes in gene expression without changes to base sequence
4.
Which feature is shared by prokaryotic and eukaryotic cells?
Nucleus
Mitochondria
Ribosomes
Endoplasmic reticulum
5.
IGCSE Biology 17.3 MITOSIS, stem cell - Question 4
IGCSE Biology 17.3 MITOSIS, stem cell - Question 4
A
B
C
D
6.
Which hypothesis could be tested with microscopy of different tissues?
Cells are small
Microscopes are useful
Muscle cells contain more mitochondria than skin cells
Tissues exist
7.
Which process does NOT increase genetic variation?
Crossing over
Independent assortment
Random fertilisation
Mitosis
8.
Which cell in the table is prokaryotic?
Cell 1
Cell 3
Cell 2
Cell 4
9.
Using the table, what is the recombination frequency between genes A and B?
87%
6.5%
50%
13%
10.
Which statement best describes Gene linkage?
Genes on the same chromosome tend to be inherited together.
An offspring with a combination of alleles not seen in either parent, produced by crossing over.
Having more than two complete sets of chromosomes.
A heterozygote who does not show a recessive condition but can pass it on.
11.
IGCSE Biology 17.3 MITOSIS, stem cell - Question 7
IGCSE Biology 17.3 MITOSIS, stem cell - Question 7
A
B
C
D
12.
Genes on the same chromosome are said to be _____.
polyploid
homozygous
recessive
linked
13.
In a linkage test cross, the number of recombinant offspring is the _____.
independent variable
dependent variable
karyotype
autosome
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Part of Topic 3 · Voice of the Genome — see every lesson and quiz in this unit.
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