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Cells Chapter 3 (Heredity)
Test Description: This should help you review for your upcoming test.
Instructions: Answer all questions to get your test result.
1) Which alleles will give a recessive phenotype?
A
yy
B
YY
C
Yy
D
Yxy
2) Which process gives half of the number of chromosomes as a body cell?
A
Meiosis
B
Cytokinesis
C
Mitosis
D
Cell Division
3) Mendel discovered that the recessive phenotype didn't appear until which generation, what percentage was recessive?
A
Never appeared
B
Second Generation; 25%
C
Third Generation; 75%
D
First Generation; 50%
4) Dominant is shown by what letters; recessive are shown by what letters?
A
Constants; Vowels
B
Vowels; Constants
C
Lower case; Capital
D
Capital; Lower case
5) An organism's genotype is what?
A
It's age
B
It's exoskeleton
C
It's physical appearance
D
It's alleles; genetic makeup
6) A pea plant with a genotype of Tt is said to be what?
A
Dominant; Homozygous (Hybrid)
B
Dominant; Heterozygous (Hybrid)
C
Recessive; Heterozygous (Hybrid)
D
Recessive; Homozygous (Hybrid)
7) Codomiance of an organism is when
A
alleles that are neither dominant nor recessive.
B
alleles are recessive.
C
alleles are dominant.
D
each allele is just an dominant.
8) What mathematical term did Mendel use in his experiments?
A
Chances
B
Probability
C
Percentages
D
Likeihood
9) When an organism is the offspring of many generations of organisms that have the same trait what is called?
A
Hybrid
B
Heterozygous
C
Homozygous
D
Purebred
10) Which word is used in studying genetics when researching physical characteristics?
A
Genes
B
Genotype
C
Alleles
D
Traits
11) Chromosome pairs separate and create two new sex cells during what?
A
Pedigree
B
Meiosis
C
Gene therapy
D
Mitosis
12) The following statement (Genes are carried from parents to offspring on chromosomes) is know as what?
A
Theory of Inheritance
B
Theory of Genetics
C
Law of Genetics
D
Law of Inheritance
13) What shows all the possible outcomes of a genetic cross?
A
Pedigree
B
Genetic Cross
C
Family Tree
D
Punnett square
14) Mendel cross pollinated pea plants in order to do what?
A
To study different phenotypes in his genetics experiments
B
To study different characteristics in his genetics experiments
C
To prove he was correct about genetics
D
To study same characteristics in his genetics experiments?
*select an answer for all questions
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