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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
Heredity
B
Character
C
Genetics
D
Trait
2) A heritable feature that varies among individuals, such as flower color, is called a
A
character
B
locus
C
trait
D
pleiotropy
3) Referring to organisms for which sexual reproduction produces offspring with inherited traits identical to those of the parents.
A
homozygous
B
true-breeding
C
heterozygous
D
hybrid
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 independent assortment
C
law of segregation
D
testcross
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
pedigree
C
testcross
D
punnett square
6) The version of a character that most commonly occurs in nature.
A
heterozygous
B
dominant
C
wild-type trait
D
recessive
7) A family genetic tree representing the occurrence of heritable traits in parents and offspring across a number of generations.
A
pedigree
B
punnett square
C
dihybrid cross
D
monohybrid cross
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
F2 generation
B
wild-type trait
C
F1 generation
D
carrier
9) A type of inheritance in which the phenotypes of the heterozygote and dominant homozygote are indistinguishable.
A
complete dominance
B
carrier
C
Incomplete 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
carrier
B
Incomplete dominance
C
clone
D
complete dominance
11) Inheritance pattern in which a heterozygote expresses the distinct trait of both alleles.
A
complete dominance
B
incomplete dominance
C
codominant
D
clone
12) The control of more than one phenotypic characteristic by a single gene.
A
pleiotropy
B
dominant
C
monohybrid cross
D
dihybrid cross
13) The additive effects of two or more gene loci on a single phenotypic characteristic.
A
complete dominance
B
polygenic inheritance
C
codominant
D
incomplete dominance
14) Genes located near each other on the same chromosome that tend to be inherited together.
A
recessive
B
dominant
C
linked genes
D
heterozygous
15) With respect to two given genes, the number of recombinant progeny from a mating divided by the total number of progeny.
A
incomplete dominance
B
chromosome theory of inheritance
C
complete dominance
D
recombination frequency
16) A chromosome that determines whether an individual is male or female.
A
sex chromosomes
B
recessive
C
linked genes
D
dominant
17) A gene located on a sex chromosome.
A
sex-linked gene
B
recessive
C
dominant
D
heterozygous
*select an answer for all questions
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