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Genetics And Heredity
Test Description: Genetics and heredity
Instructions: Answer all questions to get your test result.
1) Heredity is the passage of what from parent to offspring?
A
connective tissue
B
digestive enzymes
C
Genetic material
D
oxygenated blood
2) A gene is best described as
A
a collection of adaptations
B
the release of energy
C
the waste produced by cells
D
a unit of heredity
3) The inherited traits of an organism are governed by –
A
enzymes
B
cytoplasm
C
leukocytes
D
genes
4) The hereditary information in animal and plant cells is located on the chromosomes, which the cells store in the
A
cytoplasm
B
nucleus
C
vacuoles
D
ribosomes
5) Which of the following statements accurately denotes the frequency of expression of dominant and recessive traits?
A
Dominant traits = always / Recessive = never
B
Dominant traits = always / Recessive = sometimes
C
Dominant traits = sometimes / Recessive = sometimes
D
Dominant traits = never / Recessive = sometimes
6) What structure in a cell contains the genetic information?
A
nucleus
B
mitochondria
C
ribosome
D
lysosome
7) Recessive genes are expressed under which of the following conditions?
A
only in the absence of dominant genes for the same trait
B
in green plants that reproduce through seeds
C
every time they are found in an organism
D
when asexul organisms produce a pair of offspring
8) Recessive traits are expressed –
A
in one quarter of all offspring produced
B
always, in all members of the population
C
only when the domininant gene is not present
D
if the trait is carried by the male parent
9) Which is the correct order from largest to smallest?
A
nucleus-cell-chromosome-gene-organism
B
gene-chromosome-nucleus-cell-organism
C
Chromosome-nucleus-cell-organism-gene
D
organism-cell-nucleus-chromosome-gene
10) Blue eyes is an example of a
A
phenotype
B
genotype
11) BB is an example of a
A
genotype
B
phenotype
12) Freckles is an example of a
A
genotype
B
phenotype
13) Homozygous dominant is an example of a
A
phenotype
B
genotype
14) Aa is an example of a
A
genotype
B
phenotype
15) Widow's peak is an example of a
A
phenotype
B
genotype
16) Rr shows
A
recessive
B
dominant
17) nn shows
A
recessive
B
dominant
18) Ee shows
A
dominant
B
recessive
19) Eye color, hair color, freckles, widow's peak are
A
dominant
B
heredity
C
genetics
D
traits
20) The passing of traits from parent to offspring is
A
traits
B
phenotypes
C
heredity
D
genetics
*select an answer for all questions
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