Term
True of False?
A trait is a specific characteristic that varies from one individual to another. |
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Definition
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Term
True of False?
Gregor Mendel concluded that the tall plants in the P generation passed the factor for tallness to the F1 generation. |
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Definition
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Term
True of False?
An organism with a dominant allele for a particular form of a trait will sometimes show that trait. |
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Definition
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Term
True of False?
True-breeding plants that produced axial flowers were crossed with true-breeding plants that produced terminal flowers. The resulting offspring produced terminal flowers because the allele for terminal flowers is recessive. |
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Definition
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Term
True of False?
When alleles segregate from each other, they join. |
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Definition
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Term
True of False?
If an organism has 16 chromosomes in each of its egg cells, the organism's diploid number is 32. |
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Definition
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Term
True of False?
Mitosis results in two cells, whereas meiosis results in one cell. |
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Definition
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Term
True of False?
The replication of a DNA molecule results in four copies of the same gene. |
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Definition
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Term
True of False?
DNA is tightly wrapped around nucleosomes. |
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Definition
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Term
True of False?
If a nucleic acid contains uracil, it is DNA. |
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Definition
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Term
True of False?
A codon consists of four nucleotides. |
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Definition
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Term
True of False?
The anticodon AGA is complementary to the codon TCT. |
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Definition
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Term
True of False?
Genes determine a person's eye color by coding for the nitrogenous bases that affect eye color. |
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Definition
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Term
True of False?
People have used selective breeding to produce many different dog breeds. |
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Definition
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Term
True of False?
Hybrids are often hardier than either of the parents. |
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Definition
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Term
True of False?
The fact that human genes inserted into bacteria produce proteins shows that the basic mechanisms of gene expression are different in bacteria and humans. |
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Definition
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Term
True of False?
Some transgenic animals grow faster because they have extra copies of growth hormone genes. |
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Definition
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Term
True of False?
In humans the mother determines the sex of the offspring. |
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Definition
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Term
In a pedigree, if a mother is represented by a shaded circle and a father is represented by a shaded square, their children cannot be represented by a half-shaded circle or square. |
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Definition
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Term
True of False?
A pedigree showing the inheritance of Huntington's disease within a family would not show any half-shaded symbols. |
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Definition
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Term
True of False?
If a person has blood type A, he or she cannot receive a blood transfusion from a person with blood type O. |
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Definition
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Term
True of False?
A person who has Down Syndrome has two copies of chromosome 21. |
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Definition
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Term
True of False?
DNA fingerprinting analyzes sections of DNA that have little or no known function but are similar from person to person. |
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Definition
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Term
True of False?
Information from the Human Genome Project can be used to learn more about human disease. |
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Definition
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Term
The plants that Gregor Mendel crossed to produce the F1 generation make up the _____ generation. |
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Definition
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Term
The different forms of a gene are called ________. |
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Definition
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Term
If the allele for shortness in pea plants were dominant, all the pea plants in Mendel's F1 generation would have been ________. |
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Definition
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Term
__________ is the likelihood that a particular event will occur. |
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Definition
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Term
If you flip a coin five times and it comes up head each time, the probability that is will come up heads next time is _________. |
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Definition
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Term
Pea plants that are TT, _____, or tt have different genotypes. |
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Definition
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Term
The principle of independent assortment states that ________ for different traits can segregate. |
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Definition
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Term
An organism's gametes have ________ the number of chromosomes found in the organism's body cells. |
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Definition
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Term
Crossing-over occurs during the stage of meiosis called _______________. |
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Definition
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Term
The Watson and Crick model of DNA is a(an)_______________, in which two strands are wound around each other. |
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Definition
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Term
During transcription, the _____________ between base pairs are broken. |
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Definition
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Term
The order of nitrogenous based in DNA determines the order of _____________ in proteins. |
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Definition
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Term
Scientists use radiation and chemicals to induce ___________. |
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Definition
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Term
The insulin produced by transgenic bacteria is identical to the insulin produced by humans because both are coded for by __________________________. |
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Definition
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Term
If a couple has five boys, the probability that the next child will be a boy is ________. |
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Definition
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Term
How many recessive alleles for a trait must an organism inherit in order to show that trait? |
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Definition
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Term
Define homologous chromosomes. |
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Definition
The sex chromosomes (XX, Xy) |
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Term
During DNA replication, what two processes must occur before the two strands of a DNA molecule can separate? |
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Definition
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Term
What are the three main types of an RNA nucleotide? |
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Definition
a. phosphate b. ribose c. base |
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Term
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Definition
Changes and adaptations in an organism. |
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Term
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Definition
Someone who has a recessive gene for a disease/disorder. |
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Term
A person who has type AB blood is sometimes referred to as a universal recipient. Explain why? |
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Definition
They can receive blood from anyone. |
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Term
Why are all X-linked alleles expressed in males, even if they are recessive? |
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Definition
Because males only have one X chromosome. |
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Term
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Definition
physical traits (eg. tall, short) |
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Term
physical traits (eg. tall, short) |
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Definition
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Definition
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Definition
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Definition
capital letters; only need one to show trait/disorder/disease |
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Term
capital letters; only need one to show trait/disorder/disease |
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Definition
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Term
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Definition
need two to show trait/disorder/disease; represented by lower case letter |
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Term
need two to show trait/disorder/disease; represented by lower case letter |
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Definition
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Term
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Definition
two identical alleles for a particular trait |
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Term
two identical alleles for a particular trait |
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Definition
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Term
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Definition
has two different alleles for the same trait |
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Term
has two different alleles for the same trait |
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Definition
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Term
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Definition
set of photographs of chromosomes grouped in order in pairs |
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Term
set of photographs of chromosomes grouped in order in pairs |
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Definition
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Term
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Definition
chromosome that is not a sex chromosome |
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Term
chromosome that is not a sex chromosome |
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Definition
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Term
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Definition
located on the 23rd chromosome |
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Term
located on the 23rd chromosome |
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Definition
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Term
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Definition
blood is thin and does not clot properly |
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Term
blood is thin and does not clot properly |
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Definition
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