WorksheetsReview: Quiz 7
Total questions: 23
Worksheet time: 12mins
_____ are separated during Meiosis I, and _____ are separated during Meiosis II.
Chromosomes; spindle fibers
Non-sister chromatids; sister chromatids
Sister chromatids; homologous pairs
Homologous pairs; sister chromatids
Which of the following is NOT a mode of genetic diversity?
Random fertilization
Nondisjunction
Crossing-over
Independent assortment
What is the end result of meiosis?
4 haploid, genetically unique cells
4 diploid, genetically identical cells
4 haploid, genetically identical cells
4 diploid, genetically unique cells
What is the process of two gametes fusing to form a zygote?
Mitosis
Meiosis
Inheritance
Fertilization
A male shark has 40 chromosomes in his gametes. How many are present in his somatic cells?
20
40
80
160
Which letter(s) in the diagram correspond to cells that are haploid?
A only
B only
C only
A and B
C and B
After fertilization, a human zygote has _____ chromosomes.
46
23
92
64
What is this?
Trisomy 13
Monosomy 13
Monosomy Y
Trisomy 21
Human eggs and sperm are _____, and each has ____ chromosomes.
Diploid, 23
Diploid, 46
Haploid, 23
Haploid, 46
Which of the following are haploid? Select all that apply!
Sperm cell
Egg cell
Somatic cell
n = 23
2n = 46
What is the bivalent of a chromosome?
The attachment site of spindle fibers
Where sister chromatids are separated from
The attachment site of sister chromatids after DNA replication
The attachments site of non sister chromatids for crossing over
Non-disjunction can result in all of the following EXCEPT...
Diploid gametes
Aneuploidy
Monosomy
Trisomy
Miscarriage
Which of the following are homozygous phenotypes? Select all that apply!
GG
Gg
gg
Which genotype depicts Mendel's P generation of pea plants?
GG x GG
gg x gg
GG x gg
Gg x Gg
Which of the following represent true-breeding lines? Select all that apply!
GG x GG
gg x gg
GG x gg
Gg x Gg
Square = male, Circle = female
How many heterozygous males are present?
0
2
4
6
What percentage of children are expected to have brown eyes?
0%
25%
50%
75%
100%
What is the genotypic ratio of this Punnett square?
1:3
1:2:1
3:1
2:2
A couple has 4 girls. What are the chances that the next child will be a boy?
0%
25%
50%
100%
H= blue hair and h = yellow hair
E = pointed ears and e = round ears
What is the phenotype of the following individual: hhEe
Yellow hair and pointed ears
Yellow hair and round ears
Blue hair and pointed ears
Blue hair and round ears
Mendel's cross of a purebred white-flowered plant and a purebred purple-flowered plant (the F1 generation)...
Showed only the dominant trait
Showed only the recessive trait
Did not receive any recessive alleles
Remained purebred
A carrier is someone who... Select all that apply!
Carries an allele but is unaffected by it
Carries an allele and is affected by it
Has a homozygous genotype
Has a heterozygous genotype
