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Course: Cambridge AS & A Level Biology 9700 ...
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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/33

17-18 · Selection, Evolution, Classification and Conservation

0/70

19 · Genetic Technology

0/44
Quiz

16.1 Passage of Information from Parents to Offspring – Check yourself

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Passage of Information from Parents to Offspring AS Biology check yourself quiz: free practice for AS Biology. Work through this Passage of Information from Parents to Offspring AS Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 16.1 Passage of Information from Parents to Offspring — 9700 Notes lesson. More practice: AS Biology — all units. Syllabus: Cambridge AS & A Level Biology 9700 syllabus.

  • Questions count: 10
  • Passing grade: B
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1.

Meiosis is described as a reduction division because

the chromosome number is halved from diploid to haploid
the cells become smaller
DNA is destroyed
only one cell is produced
2.

Crossing over takes place during

metaphase II
anaphase I
telophase II
prophase I
3.

Independent assortment occurs because

chromatids separate in mitosis
spindle fibres are absent
DNA replicates twice
bivalents line up randomly on the equator in metaphase I
4.

Homologous chromosomes are

identical copies joined at a centromere
any two chromosomes
sex chromosomes only
a pair of chromosomes with the same genes at the same loci, one from each parent
5.

Which process does NOT contribute to genetic variation?

Crossing over
Independent assortment
Random fertilisation
Mitosis
6.

A cell with 2n = 8 undergoes meiosis. How many chromosomes are in each gamete?

8
4
2
16
7.

During anaphase I

sister chromatids separate
chromosomes replicate
the nuclear envelope reforms
homologous chromosomes are pulled to opposite poles
8.

A bivalent consists of

two sister chromatids only
four chromosomes
a single chromatid
two homologous chromosomes paired together, each of two chromatids
9.

Random fusion of gametes at fertilisation increases variation because

gametes are identical
any male gamete can fuse with any female gamete
it halves the chromosome number
it prevents mutation
10.

The need for a reduction division is to

make more cells
repair tissues
prevent the chromosome number doubling in each generation
make identical cells
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Part of 16 · Inherited Change — see every lesson and quiz in this unit.
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