Nas 2 Test Out-Germanna 2023
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1. Define autosomal recessive inheritance When a genetic disorder is inherited
in an autosomal recessive pattern, the
disorder corresponds to the recessive
phenotype
2. Define what is meant by a carrier, with re- Carriers for an autosomal recessive dis-
spect to autosomal recessive inheritance. order may never know their genotype
unless they have a child with the disor-
der. Such as Cystic Fybrosis.
3. Define incomplete dominance. the offspring express a heterozygous
phenotype that is intermediate be-
tween one parent's homozygous dom-
inant trait and the other parent's
homozygous recessive trait. Example,
when one parent has straight hair and
the other parent has curly, the offspring
has wavy hair.
4. Define Codominance is characterized by the equal, distinct,
and simultaneous expression of both
parents' different alleles.
5. Consider a gene where B is the dominant Homozygous genotype is BB
allele and b is the recessive allele. Heterozygous genotype is Bb
Homozygous recessive genotype is bb
6. How many pairs of chromosomes does each 23
human body cell contain?
7. What is sex chromosome? determines sex of an individual
8. Define gene
, Nas 2 Test Out-Germanna 2023
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Passed from parent to child, Made up
of DNA
9. Define genotype genetic makeup
10. Define phenotype genes expressed whether physical, be-
havioral, or biochemical
11. How many pairs of sex chromosomes does 1
each human body cell have?
12. How many pairs of autosmall chromosomes 22
does each human body contain?
13. How many chromosomes do offspring inher- 23
it from each parent.
14. Define Element pure substance that is distinguished
from all other matter by the fact that is
can not be created or broken by ordi-
nary chemical means.
15. Define Compound substance composed of two or more
elements joined by chemical bonds
16. Atom the smallest quantity of an element that
retains those unique properties of that
element.
17. 3 Subatomic particles Proton, Positive Charge located in Nu-
cleus
Neutron No Charge located in nucleus
Electron Negative Orbit around the nu-
cleus
, Nas 2 Test Out-Germanna 2023
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18. Which particles compose the nucleus of an Protons and Neutrons
atom?
19. Which subatomic particles determine an Protons and neutrons
atom's mass
20. Electron Shell a grouping of electrons surrounding
the nucleus of an atom
21. How many electrons call all other electrons 8
shells hold
22. How many electrons can the first electron 2
shell hold
23. How many electrons does Oxygen have 8
24. How many electrons does oxygen have in its 2
first shell
25. How many electrons does oxygen have in its 6
valence shell
26. Chemical bond a weak or strong electrical attraction
that holds atoms in the same vicinity
27. What is the difference between a molecule Compounds are joined by chemical
and compound bonds.
Molecule is held together by chemical
bonds.
28. Ion An atom that has electrical charge
whether positive or negative
Study online at https://quizlet.com/_dh43mp
1. Define autosomal recessive inheritance When a genetic disorder is inherited
in an autosomal recessive pattern, the
disorder corresponds to the recessive
phenotype
2. Define what is meant by a carrier, with re- Carriers for an autosomal recessive dis-
spect to autosomal recessive inheritance. order may never know their genotype
unless they have a child with the disor-
der. Such as Cystic Fybrosis.
3. Define incomplete dominance. the offspring express a heterozygous
phenotype that is intermediate be-
tween one parent's homozygous dom-
inant trait and the other parent's
homozygous recessive trait. Example,
when one parent has straight hair and
the other parent has curly, the offspring
has wavy hair.
4. Define Codominance is characterized by the equal, distinct,
and simultaneous expression of both
parents' different alleles.
5. Consider a gene where B is the dominant Homozygous genotype is BB
allele and b is the recessive allele. Heterozygous genotype is Bb
Homozygous recessive genotype is bb
6. How many pairs of chromosomes does each 23
human body cell contain?
7. What is sex chromosome? determines sex of an individual
8. Define gene
, Nas 2 Test Out-Germanna 2023
Study online at https://quizlet.com/_dh43mp
Passed from parent to child, Made up
of DNA
9. Define genotype genetic makeup
10. Define phenotype genes expressed whether physical, be-
havioral, or biochemical
11. How many pairs of sex chromosomes does 1
each human body cell have?
12. How many pairs of autosmall chromosomes 22
does each human body contain?
13. How many chromosomes do offspring inher- 23
it from each parent.
14. Define Element pure substance that is distinguished
from all other matter by the fact that is
can not be created or broken by ordi-
nary chemical means.
15. Define Compound substance composed of two or more
elements joined by chemical bonds
16. Atom the smallest quantity of an element that
retains those unique properties of that
element.
17. 3 Subatomic particles Proton, Positive Charge located in Nu-
cleus
Neutron No Charge located in nucleus
Electron Negative Orbit around the nu-
cleus
, Nas 2 Test Out-Germanna 2023
Study online at https://quizlet.com/_dh43mp
18. Which particles compose the nucleus of an Protons and Neutrons
atom?
19. Which subatomic particles determine an Protons and neutrons
atom's mass
20. Electron Shell a grouping of electrons surrounding
the nucleus of an atom
21. How many electrons call all other electrons 8
shells hold
22. How many electrons can the first electron 2
shell hold
23. How many electrons does Oxygen have 8
24. How many electrons does oxygen have in its 2
first shell
25. How many electrons does oxygen have in its 6
valence shell
26. Chemical bond a weak or strong electrical attraction
that holds atoms in the same vicinity
27. What is the difference between a molecule Compounds are joined by chemical
and compound bonds.
Molecule is held together by chemical
bonds.
28. Ion An atom that has electrical charge
whether positive or negative
