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