WorksheetsChapter 6/7 Vocab
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
The fusion of an egg and a sperm cell
a)
cross
b)
genetics
c)
fertilization
d)
gametes
2.
When only one copy of each chromosome is present, the cell is said to be ___________.
a)
haploid
b)
diploid
c)
purebred
d)
gamete
3.
Describes two of the same alleles at a specific locus
a)
heterozygous
b)
homozygous
c)
dominant
d)
crossing over
4.
Organisms that are genetically uniform (not cross bred)
a)
purebred
b)
diploid
c)
cross
d)
haploid
5.
The study of biological inheritance patterns and varion in organisms
a)
biology
b)
fertilization
c)
genetics
d)
Punnet Squae
6.
The fusion of two gametes that are a genetic mixture of both parents
a)
sexual reproduction
b)
purebred
c)
test cross
d)
fertilization
7.
The mating of two organisms produces a _______________.
a)
trait
b)
cross
c)
gene
d)
purebred
8.
Crosses that examine the inheritance of two different traits
a)
genetics
b)
monohybrid cross
c)
dihybrid cross
d)
fertilization
9.
This allele is expressed when two different alleles are present.
a)
trait
b)
recessive
c)
neutral
d)
dominant
10.
All of an organism’s genetic material
a)
genotype
b)
genes
c)
phenotype
d)
genetics
11.
Cross between an organism with an unknown genotype and a homozygous recessive genotype
a)
dihybrid cross
b)
test cross
c)
monohybrid cross
d)
allele
12.
This allele is only expressed when two copies are present
a)
recessive
b)
dominant
c)
neutral
d)
heterozygous
13.
Two chromosomes with the same length and general appearance
a)
alleles
b)
homologous chromosomes
c)
traits
d)
homozygous
14.
Mendel’s Second Law which states that allele pairs separate independently of each other during gamete formation.
a)
independence rule
b)
law of segregation
c)
crossing over
d)
law of independent assortment
15.
Genes located on sex chromosomes.
a)
sex linked genes
b)
homozygous
c)
heterzygous
d)
gametes
16.
Traits produced by two or more genes.
a)
monogenic traits
b)
polygenic traits
c)
alleles
d)
codominance
17.
A picture of all the chromosomes in a cell
a)
karyotype
b)
pedigree
c)
MRI
d)
X-ray
18.
Chart used to trace the genotypes and phenotypes in a family to determine whether people carry recessive alleles
a)
Punnet square
b)
karyotype
c)
pedigree
d)
bar graph
19.
Another name for sex cells
a)
gametes
b)
somatic cells
c)
traits
d)
homologous chromosomes
20.
Directly control the development of sexual characteristics
a)
meiosis
b)
sex chromosomes
c)
genetics
d)
purebred
21.
Crosses that examine the inheritance of only one specific trait
a)
genetics
b)
dihybrid cross
c)
testcross
d)
monohybrid cross
22.
A form of nuclear division that divides diploid cells into haploid cells
a)
sexual reproduction
b)
mitosis
c)
meiosis
d)
chromosomes
23.
Distinguishing characteristics that are inherited
a)
fertilization
b)
genes
c)
chromosomes
d)
traits
24.
When two copies of each chromosome are present, the cell is _____________.
a)
haploid
b)
diploid
c)
purebred
d)
cross
25.
Another name for a body cell
a)
gamete
b)
somatic
c)
sex cell
d)
haploid
26.
Describes two different alleles at a specific locus
a)
heterozygous
b)
homozygous
c)
dominant
d)
recessive
27.
Mendel’s first law stating that organisms inherit two copies of a gene, one from each parent, and organisms donate only one copy of each gene in their gametes
a)
Law of independent assortment
b)
Law of segregation
c)
genetics
d)
Punnet square
28.
Grid system for predicting all possible genotypes resulting from a cross
a)
roulette
b)
genotype
c)
Punnet square
d)
genetics
29.
A piece of DNA that provides a set of instructions to a cell to make a certain protein.
a)
cross
b)
trait
c)
crossing over
d)
gene
30.
The physical characteristics, or traits, of an individual organism.
a)
genetics
b)
genotype
c)
phenotype
d)
traits
31.
Any alternate forms of a gene that may occur at a specific locus.
a)
cross
b)
crossing over
c)
triait
d)
allele
32.
Heterozygous phenotype in which both traits are fully and separately expressed
a)
recessive
b)
incomplete dominance
c)
codominance
d)
heterozygous
33.
Does not show disease symptoms, but can pass on the disease-causing allele to offspring
a)
polygenic traits
b)
sex linked genes
c)
carriers
d)
pedigree
34.
Heterozygous phenotype that is a blend of the two homozygous phenotypes
a)
purple
b)
codominance
c)
recessive
d)
incomplete dominance
35.
Liklihood that a particular event will happen
a)
chance
b)
probability
c)
odds
d)
pedigree
36.
The exchange of chromosome segments between homologous chromosomes during prophase I of meiosis I
a)
sharing
b)
heterozygous
c)
dominant
d)
crossing over
100 %
