Term
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Definition
| A condition in which the two alleles of a gene are different |
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Term
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Definition
| An organism's gene type, or allele combination |
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Term
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Definition
| An allele that seems to disappear when a dominant allele is present |
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Term
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Definition
| The passing of traits from parent to offspring |
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Term
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Definition
| An organism's physical appearance, or what it looks like |
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Term
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Definition
| Strands of a chromosome joined by a centromere |
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Term
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Definition
| A condition in which the two alleles of a gene are the same |
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Term
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Definition
| An allele whose trait always shows up when its present |
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Term
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Definition
| Factors that control traits |
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Term
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Definition
| Exchange of genetic materials between chromosomes |
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Term
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Definition
| Different forms of a characteristic like blue eyes |
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Term
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Definition
| When more than one allele is expressed at the same time |
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Term
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Definition
| The area of science that studies heredity |
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Term
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Definition
| Studied heredity. Known as the father of genetics. Gave us the laws of heredity. |
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Term
| What is the purpose of cell division in mitosis |
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Definition
| To replace and grow cells |
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Term
| What is the purpose of cell division in meiosis |
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Definition
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Term
| What is the final step of cell division? |
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Definition
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Term
Write the corresponding base pairs to the following strand of DNA:
AAGCATGGCATC |
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Definition
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Term
| What happens during crossing over? |
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Definition
| Crossing over is the process when two chromosomes pair up and exchange sections of their DNA |
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Term
| What does crossing over result in? |
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Definition
| It brings variation in the daughter cells and hence the offspring |
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Term
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Definition
| When two alleles are dominant in a genotype |
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Term
Which type of reproduction produces a greater variation among offspring?
A) Neither sexual or asexual reproduction
B) Both sexual and asecual reproduction
C) Asexual reproduction
D) Sexual Reprodution |
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Definition
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Term
Adam cut his hand and the damaged cells need to be replaced. Mitosis is the cell division process that will replace the damaged cells with new cells.What statement best describes the genetic makeup of the new cells?
A) They contain the same genetic information as the damaged cells
B) They contain genetic information that is different from the damaged cells
C) They contain no genetic information
D) They contain a bacterial infection that will form new cells |
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Definition
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Term
What is the symbol for female?
A) Ff
B)Fe
C) XX
D) XY |
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Definition
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Term
All the offspring of a cross between a black-eyed mendelien and an orange-eyed mendelien have black eyes. This means that the allele for black eyes is _____ the allele for orange eyes.
A) more agressive than
B) dominant to
C) recessive to
D) codominant to |
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Definition
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Term
The shape of a DNA molecule is most like
A) A gold necklace
B) a set of railroad tracks
C) the letter X
D) A twisted rope ladder |
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Definition
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Term
| Fill out the table below comparing mitosis and meiosis |
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Definition
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Mitosis
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Meiosis
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# of cells
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2
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4
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Dipload/haploid cells
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2 diploid
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4 haploid
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N (1n or 2n)
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2n
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1n
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Type of cells made
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Everything else
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Sex cells
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Purpose of cell division
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Growth and repair of body
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Sexual reproduction
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Comparison of cells made (unique or identical)
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Identical
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Unique
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# of human cell chromosomes
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Stays the same
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Reduced in half
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# of times cell divides
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1
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2
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