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WorksheetsHeredity & Meiosis
Total questions: 40
Worksheet time: 1hrs 20mins
p=white flower color, if a flower has a genotype Pp its phenotype would be
An organism with two of the same alleles for a given trait is said to be
heterozygous
homozygous
dominant
hybrid
A specific segment on a chromosome that codes for a trait
protein
nucleotide
amino acid
gene
one consequence of ozone depletion is the increase in UV-rays reaching earths surface, this will then increase
the rate of disjunction during gamete formation
the rate of synapsis during meiosis
the rate of hybridization in offspring
the rate of genetic mutations in the DNA
Traits that are located on the same chromosomes are typically inherited together, these are said to be
homologous traits
linked traits
heterozygous traits
homozygous traits
which of the following is NOT one of mendel's 3 laws?
Law of Dominance
Law of Segregation
Law of Independent Assortment
Law of Crossing Over
Aneuploidy is the presence of an abnormal number of chromosomes in a cell, this is caused by
nondisjunction
synapsis
segregation
crossing over
What is the name of the male gonad?
sperm
ovum
testes
ovary
The process of meiotic cell division results in
2 diploid cells
4 haploid cells
2 haploid cells
4 diploid cells
The process of mitotic cell division results in
2 diploid cells
4 haploid cells
2 haploid cells
4 diploid cells
In a rabbit. which two cells would have the same chromosome number
a sperm and a fertilized egg
a liver cell and a gamete
a kidney cell and a brain cell
a skin cell and an ovum
a fertilized egg and a eye cell
Which process results in the formation of a tetrad
disjuction
nondisjunction
mitosis
synapsis
What is the sex of individual #1
male
female
not enough information
How many children did individual 1 and 2 have ?
1
2
3
4
Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 7
aa
AA
Aa
AA or Aa
Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 5
aa
AA
Aa
AA or Aa
Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 2
aa
AA
Aa
AA or Aa
In which method of reproduction is the most variation among offspring created?
Method A
Method B
Both
Neither
Which is true of a human sperm cell
It contains a total of 46 chromosomes
It contains a total of 23 pairs of chromosomes
It contains a total of 23 chromosomes
It contains a total of 46 pairs of chromosomes
When an organism has 3 or more complete SETS of chromosomes
trisomy
polyploidy
monosomy
aneuploidy
when an organism has 3 of a single chromosome
trisomy
triploidy
monosomy
polyploidy
The setup of a punnet square is used to depict that each parent contributes only one of their two alleles to their child, which law does this demonstrate?
Law of Dominance
Law of Segregation
Law of Independent Assortment
Law of Genetics
Mendel bred yellow wrinkled peas with green round peas, in the offspring he found offspring who were yellow and round, as well as yellow and wrinkled, which law does this demonstrate?
Law of Dominance
Law of Segregation
Law of Independent Assortment
Law of Genetics
When a purebred purple flower is mated with a white flower the offspring are always purple, what law does this demonstrate?
Law of Dominance
Law of Segregation
Law of Independent Assortment
Law of Genetics
An organism with two different alleles (Aa) is
homozygous
heterozygous
heterotroph
homologous
The cellular process by which two identical daughter cells are produced
mitosis
meiosis
synapsis
disjunction
Some traits are considered linked, this means the are on the same chromosome and typically come together (red hair & freckles) which process is responsible for separating these traits?
independent assortment
segregation
nondisjunction
crossing over
Traits that are NOT linked (on different chromosomes) are not inherited together, eye color and hair color are examples of this. Which is responsible for these traits not coming together?
independent assortment
segregation
nondisjunction
crossing over
Red flowers and White flowers produce pink offspring, what type of inheritance is this?
complete dominance
incomplete dominance
codominance
multiple alleles
Red coated cattle and White coated cattle produce red AND white coated offspring, what type of inheritance is this?
complete dominance
incomplete dominance
codominance
multiple alleles
Human ABO blood typing exhibits what type of inheritance pattern?
complete dominance
incomplete dominance
codominance
multiple alleles
Which of the following are sex linked traits?
colorblindness
hemophilia
eye color
tay sachs
A picture of the chromosomes found in a cell of an organism is known as
pictography
chromatography
karyotype
microscopic resonance imaging
how many autosomes do humans have?
44 autosomes
22 autosomes
23 autosomes
46 autosomes
In order to determine if an individual with the dominant phenotype is homozygous or heterozygous a test cross is done, this involves mating them with
a homozygous recessive
a homozygous dominant
a heterozygous domiant
a herterozygous recessive
What chromosomal error occurred ?
deletion
duplication
translocation
inversion
