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Genetics And Heredity
Test Description: 7.12AC
Instructions: Answer all questions to get your test result.
1) The basic physical and functional unit of heredity made up of DNA is called a
A
heredity
B
gene
C
allele
D
genotype
2) The passing of genetic material from parent to offspring is called
A
genetics
B
gene
C
heredity
D
chromosome
3) The exact genetic information carried by a single gene made up of an allele from each parent is called
A
genotype
B
chromosome
C
heredity
D
phenotype
4) The physical appearance of an organism determined by the alleles present is an organism's
A
phenotype
B
genotype
C
recessive
D
dominant
5) This is the hereditary material that is housed inside the nucleus of the cell
A
DNA
B
genetics
C
cytoplasm
D
trait
6) These are highly organized and structured pieces of DNA
A
DNA
B
chromosomes
C
nucleus
D
genetics
7) Which of these CANNOT be inherited from parent to offspring
A
traits
B
features
C
selective breeding
D
characteristics
8) The allele that is always expressed when it is present because it is represented by a capital letter is
A
dominant
B
heterozygous
C
homozygous
D
recessive
9) The allele that is expressed ONLY if there are two lowercase letter present is
A
variation
B
recessive
C
dominant
D
heterozygous
10) Which is NOT true of sexual reproduction?
A
disadvantages include a large investment of time and energy
B
offspring receive half of their genetic material from each parent
C
offspring are diverse and show variation
D
offspring are genetically identical to the parent
11) Which is NOT true of asexual reproduction?
A
offspring are genetically unique
B
involves only one parent
C
includes budding and binary fission
D
does not take a large investment of time or energy
12) When a genotype contains two of the same alleles, it is said to be
A
recessive
B
dominant
C
homozygous
D
heterozygous
13) When a genotype is made up of two alleles that are in different forms, it is said to be
A
heterozygous
B
homozygous
C
recessive
D
dominant
*select an answer for all questions
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