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29. Heredity

Overview of Human Genetics

29. Heredity

Overview of Human Genetics

Multiple Choice
What number and types of chromosomes are found in a human somatic cell?
Multiple Choice
Which of the following statements about the human X chromosome is correct?
Textbook Question
Distinguish between the following paired terms:
(a) genotype and phenotype,
Multiple Choice
When the two alleles controlling a trait are different, the individual is __________ for the trait.
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Multiple Choice
A phenocopy occurs when __________.
Multiple Choice
The number of different gametes that can be produced in a male, based on independent assortment alone, equals __________.
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Multiple Choice
The 46 chromosomes of a zygote come from __________.
Multiple Choice
With the exception of gametes, human cells have __________ pairs of chromosomes.
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Multiple Choice
If an individual is homozygous for a particular trait:
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Multiple Choice
Genes that are located on the same chromosome are said to be __________.
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Multiple Choice
Which of the following processes may separate linked genes during meiosis?
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Multiple Choice
Any two matched genes that are __________ are called alleles.
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Textbook Question
If an allele must be present on both the maternal and paternal chromosomes to affect the phenotype, the allele is said to be
(a) Dominant
(b) Recessive
(c) Complementary
(d) Heterozygous
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Multiple Choice
An allele that exerts its effects whenever it is present is:
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