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Chapter 9 Vocab
Test Description: Vocab Quiz Review
Instructions: Answer all questions to get your test result.
1) __________ is the transmission of traits from one generation to the next.
A
Trait
B
Genetics
C
Heredity
D
Character
2) A heritable feature that varies among individuals, such as flower color, is called a
A
pleiotropy
B
trait
C
locus
D
character
3) Referring to organisms for which sexual reproduction produces offspring with inherited traits identical to those of the parents.
A
heterozygous
B
homozygous
C
hybrid
D
true-breeding
4) A general rule in inheritance that individuals have 2 alleles for each gene and that when gametes form, the 2 alleles separate, each resulting gamete ending up with only 1 allele of each gene.
A
punnett square
B
law of segregation
C
testcross
D
law of independent assortment
5) The mating between an individual of unknown genotype for a particular characteristic and an individual that is homozygous recessive for the same characteristic.
A
phenotype
B
punnett square
C
pedigree
D
testcross
6) The version of a character that most commonly occurs in nature.
A
wild-type trait
B
recessive
C
dominant
D
heterozygous
7) A family genetic tree representing the occurrence of heritable traits in parents and offspring across a number of generations.
A
pedigree
B
monohybrid cross
C
dihybrid cross
D
punnett square
8) An individual who is heterozygous for a recessively inherited disorder and who therefore does not show symptoms of that disorder but may pass on the recessive allele to offspring
A
F1 generation
B
wild-type trait
C
F2 generation
D
carrier
9) A type of inheritance in which the phenotypes of the heterozygote and dominant homozygote are indistinguishable.
A
carrier
B
Incomplete dominance
C
complete dominance
D
clone
10) A type of inheritance in which the phenotype of a heterozygote is intermediate between the phenotypes of the two types of homozygotes.
A
complete dominance
B
clone
C
carrier
D
Incomplete dominance
11) Inheritance pattern in which a heterozygote expresses the distinct trait of both alleles.
A
codominant
B
complete dominance
C
incomplete dominance
D
clone
12) The control of more than one phenotypic characteristic by a single gene.
A
dominant
B
monohybrid cross
C
dihybrid cross
D
pleiotropy
13) The additive effects of two or more gene loci on a single phenotypic characteristic.
A
polygenic inheritance
B
incomplete dominance
C
complete dominance
D
codominant
14) Genes located near each other on the same chromosome that tend to be inherited together.
A
recessive
B
heterozygous
C
linked genes
D
dominant
15) With respect to two given genes, the number of recombinant progeny from a mating divided by the total number of progeny.
A
chromosome theory of inheritance
B
incomplete dominance
C
recombination frequency
D
complete dominance
16) A chromosome that determines whether an individual is male or female.
A
sex chromosomes
B
recessive
C
dominant
D
linked genes
17) A gene located on a sex chromosome.
A
dominant
B
sex-linked gene
C
heterozygous
D
recessive
*select an answer for all questions
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