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Genetics - 3.1-3.3 + Nucleotides

Last updated over 5 years ago
17 questions
1

Short wings in fruit flies is:

1

In this image of the human karyotype:

1

In a nucleosome, what is the DNA wrapped around?

1

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

1

Sister chromatids begin to move apart in animal cells during:

1

An allele is

1

Which of the following statements is false?

1

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

1

Nucleotides are:

1

Which statement about DNA bases is true?

1

Which statement about RNA is true?

1

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

1

Which of the following could cause DNA mutations

1

Types of mutation include

1

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

5

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

7

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