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Unit 1: Genetics Flashcards | StudBud
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Unit 1: Genetics
Unit 1: Genetics
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A #biology quiz to review the basics of human genetics and genetic processes for grade 11 students.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which term describes a pair of two chromosomes that contain the same sequence of genes?
Homologous pairs
Autosomes
Sister chromatid
Twins
2
Which of the following is not part of mitosis?
Anaphase
Eliseophase
Metaphase
Telophase
3
Which is not included in the cell theory?
All living things are composed of one or more cells
New cells come only from preexisting cells by cell division
Cells are the smallest units of living organisms
Genetic information (DNA) must be passed onto new cells
4
Which of the following statements is
correct
regarding the set up of a Punnet square?
The order doesn't matter
Maternal genotypes go across the top
Paternal genotypes go across the top
Maternal genotypes go down the side
5
When examining a pedigree which is false?
Males are represented by circles
Breeding pairs are going to buy a horizontal line
Recessive traits are able to skip a generation
Affected organisms are represented by a coloured in area
6
A condition where there is an extra chromosome due to a non-disjunction error is called
Monsomy
Continuous variation
Independent assortment
Trisomy
7
Which genotype represents type O blood?
I^B i
ii
I^A I^B
I^A i
8
Traits like skin colour that are controlled by many genes are referred to as:
None of the above
Multiple alleles dominance
Polygenic traits
Polydomiance
9
9:3:3:1 ratio is seen when _________ .
Both parents are heterozygous
Both parents are homozygous dominant
Both parents are homozygous recessive
None of these answers are correct
10
The genetic phenomenon of codominance is best expressed by which of the following:
Pink snapdragons
Green grass
Red and white roan cows
Orange lilies
11
Genes located on the same chromosome & likely to be inherited together are referred to as:
Linked genes
Crossing genes
Sister chromatid
Linked alleles
12
In what phase do spindle fibres guide chromosomes to the equator of the cell?
Metaphase
Teleophase
Anaphase
Prophase
13
Crossing over occurs during which stage of mitosis?
Telephase
Interphase
Metaphase
Anaphase
14
Which is NOT a type of change in chromosome structure?
Translation
Duplication
Deletion
Inversion
15
What happensin the anaphase 2 of meiosis?
Both cells duplicate centrioles and form spindles
None of the above
Nuclei form
Microtubles pull duplicate chromosomes from originals
16
Which of the following genotypes is most likely to demonstrate a recessive phenotype?
BB
None of the above
bb
Bb
17
When a black and a white sheep mate, some of the offspring are grey, this demonstrates:
Codominance
Homozygous recessive
Heterozygous
Incomplete dominance
18
How long does it usually take to undergo the cell cycle?
12-24 hours
6-12 hours
12-24 days
1-2 days
19
The daughter cell that is re-absorbed by the body in the process of oogenesis is called
Gamete
Polar body
Autosome
Oocyte
20
Which is the longest phase of the cell cycle?
Telophase
Metaphase
Interphase
Anaphase
21
Changes in chromosome
structure
and
shape
are the two errors that can occur in meiosis.
True
False
22
What best represents incomplete dominance?
All of the above
Cocksquirrels
Duck billed platypus
Pink trilliums
23
Why did Mendel start with true breeding plants?
They all have different traits
No reason
They share the exact same traits
His mom told him to
24
Which genotype represent someone that has type a blood:
I^A I^B
None of the above
I^A i
ii
25
The process of fusing two gametes to form a zygote is called:
Synapsis
Gametefusing
Fertilization
Sexual reproduction
26
How will the chromosome pairs be arranged in a karyotype?
None of the above
From shortest to longest
From longest to shortest
With the sex chromosomes as pair 1
27
A test cross will always be taken place between _______ .
Any phenotype will work
Homozygous recessive and unknown parent
Homozygous dominant and unknown parent
Heterozygous and unknown parent
28
A karyotype would be a good technology to diagnose a trisomy condition.
True
False
29
Which does not have an effect on the expression of genes?
Gender
Temperature
Height and weight
Chemicals
30
Which of the following are complimentary base pairs?
A-T
C-G
Both a) and b)
C-T
