1.The threadlike nuclear bodies that contain the genes are called _______________.
2.The Austrian monk who used peas to elucidate the basic principles of heredity was named
______________.
3.Genes are segments of a substance called ____________.
4.Human cells contain one pair of sex chromosomes and 22 pairs of ____________.
5.A gene that only expresses its effect in a homozygous individual is termed ___________.
6.One's genetic makeup is called the ______________.
7.Eye color is a trait that is part of an individual's _____________.
8.An individual who is heterozygous for a recessive gene is called a(n) ____________.
9.The number of chromosomes in a human ovum is _____________.
10.The type of cell division that produces spermatozoa is called ___________.
11.In a species with 24 chromosomes in somatic cells, meiosis would result in germ cells
containing _______ chromosomes.
12.Normal females have ___ copies of the X chromosome.
13.The gamete that determines the sex of the offspring is the ___________.
14.Any trait carried on the X chromosome is described as _____________.
15.Recessive sex-linked diseases are most common in individuals of the __________
gender.
Page 1
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, 16.Traits determined by more than one gene pair are termed ____________.
17.A change in the DNA sequence of a gene is an example of a(n) ____________.
18.Any disorder present at the time of birth is termed _________________.
19.A baby with six fingers has a condition called __________.
20.Down syndrome results from an extra copy of chromosome ____.
21.A complete family history designed to elucidate the inheritance of a particular disease is
called a(n) _________.
22.The prenatal screening method that extracts fetal cells from the fluid surrounding the
fetus is called __________.
23.A picture of chromosomes lined up in pairs is a(n) _______________.
24.A genetic disease that can be controlled by large doses of thiamin and dietary control is
______________.
25.The word part –cele means __________
26.The units of heredity are called
A) DNA
B) proteins
C) genes
D) enzymes
27.Chromosomes contain
A) genes
B) DNA
C) alleles
Page 2
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2.The Austrian monk who used peas to elucidate the basic principles of heredity was named
______________.
3.Genes are segments of a substance called ____________.
4.Human cells contain one pair of sex chromosomes and 22 pairs of ____________.
5.A gene that only expresses its effect in a homozygous individual is termed ___________.
6.One's genetic makeup is called the ______________.
7.Eye color is a trait that is part of an individual's _____________.
8.An individual who is heterozygous for a recessive gene is called a(n) ____________.
9.The number of chromosomes in a human ovum is _____________.
10.The type of cell division that produces spermatozoa is called ___________.
11.In a species with 24 chromosomes in somatic cells, meiosis would result in germ cells
containing _______ chromosomes.
12.Normal females have ___ copies of the X chromosome.
13.The gamete that determines the sex of the offspring is the ___________.
14.Any trait carried on the X chromosome is described as _____________.
15.Recessive sex-linked diseases are most common in individuals of the __________
gender.
Page 1
This study source was downloaded by 100000840946462 from CourseHero.com on 02-27-2022 05:05:14 GMT -06:00
https://www.coursehero.com/file/32530015/Chapter-25-Heredity-and-Hereditary-Diseasesrtf/
, 16.Traits determined by more than one gene pair are termed ____________.
17.A change in the DNA sequence of a gene is an example of a(n) ____________.
18.Any disorder present at the time of birth is termed _________________.
19.A baby with six fingers has a condition called __________.
20.Down syndrome results from an extra copy of chromosome ____.
21.A complete family history designed to elucidate the inheritance of a particular disease is
called a(n) _________.
22.The prenatal screening method that extracts fetal cells from the fluid surrounding the
fetus is called __________.
23.A picture of chromosomes lined up in pairs is a(n) _______________.
24.A genetic disease that can be controlled by large doses of thiamin and dietary control is
______________.
25.The word part –cele means __________
26.The units of heredity are called
A) DNA
B) proteins
C) genes
D) enzymes
27.Chromosomes contain
A) genes
B) DNA
C) alleles
Page 2
This study source was downloaded by 100000840946462 from CourseHero.com on 02-27-2022 05:05:14 GMT -06:00
https://www.coursehero.com/file/32530015/Chapter-25-Heredity-and-Hereditary-Diseasesrtf/
