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Genetics - 3.1-3.3 + Nucleotides

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Last updated over 5 years ago
17 questions
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Question 1
1.

Short wings in fruit flies is:

Question 2
2.

In this image of the human karyotype:

Question 3
3.

In a nucleosome, what is the DNA wrapped around?

Question 4
4.

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

Question 5
5.

Sister chromatids begin to move apart in animal cells during:

Question 6
6.

An allele is

Question 7
7.

Which of the following statements is false?

Question 8
8.

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Question 9
9.

Nucleotides are:

Question 10
10.

Which statement about DNA bases is true?

Question 11
11.

Which statement about RNA is true?

Question 12
12.

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

Question 13
13.

Which of the following could cause DNA mutations

Question 14
14.

Types of mutation include

Question 15
15.

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?

Question 16
16.

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

Question 17
17.

HL - Describe the consequences of a base substitution mutation with regards to sickle cell anemia. 7 marks

Affected by the environment
All except A the genotype
None are true.
There are 23 pairs of autosomes
The sister chromatids have separated
Ribosomes.
Histones
quadruple the
double the
telophase I
anaphase I
Another word for a locus
A type of chromosome
Humans have 22 autosomes
Sex chromosomes are considered a homologous pair
Non-disjunction at meiosis II of the Y chromosome in the formation of sperm
All except non-disjunction at meiosis II of the Y chromosome in the formation of sperm
Non-disjunction at meiosis II in the formation of eggs.
made of a ribose, a phosphate, and a base and are acidic in nature
made of a ribose, a sulfate, and a base
Guanine and cytosine are pyrimidines.
Adenine and guanine are purines.
None are true.
Uracil is one of its nitrogenous bases.
40% cytosine
90% cytosine
None are true
ionizing radiation and UV rays
ionizing radiation and cuts to the skin
division, addition, insertion
substitution, deletion, insertion
ATAGGAATACCGCTTTT
GCTAAGGCGTTATCCCC
TATCCTTATGGCGAAAA