Term
A complementary strand of DNA sequence ATGC is
a. ATGC
b. TACG
c. CGTA
e none of these |
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Definition
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Term
| The process in which DNA makes a copy of itself is called _________ |
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Definition
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Term
| What are the four bases found in a DNA molecule? |
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Definition
Adenine
Thymine
Guanine
Cytosine |
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Term
| The spiral staircase like structure of DNA is commonly referred to as ____ |
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Definition
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Term
| What type of bonds connect complementary bases? |
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Definition
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Term
| What type of bonds secure the sides of the ladder? |
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Definition
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Term
| What is the product of DNA replication? |
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Definition
| 2 identical DNA molecules |
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Term
| Where does DNA replication take place in the cell? |
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Definition
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Term
| What is the purpose of DNA polymerase? |
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Definition
| finds complementary base pairs |
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Term
| What does cytosine bind to? |
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Definition
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Term
| What does adenine bind to |
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Definition
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Term
| What makes up a nucleotide? |
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Definition
sugar
phosphate
nitrogen base - C, T, G or A |
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Term
| When does DNA replication occur? |
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Definition
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Term
| What enzyme is responsible for unzipping the DNA molecule? |
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Definition
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Term
| What is the purpose of DNA ligase? |
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Definition
| To secure the sides of the ladder |
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Term
| Which bond is stronger - hydrogen or covalent? |
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Definition
| covalent - sides of ladder |
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Term
| What shape makes up the DNA molecule? |
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Definition
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Term
| Are sex chromosomes always homologous? |
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Definition
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Term
| Where are the sex chromosomes located? |
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Definition
| on the 23 pair of chromosomes |
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Term
| If a male is colorblind, who did he get it from? |
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Definition
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Term
| If a female is colorblind, who did she receive it from? |
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Definition
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Term
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Definition
a non sex chromosome
chromosomes 1 - 22 pairs |
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Term
| What are sex linked traits? |
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Definition
| a gene located on a sex chromosome |
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Term
| What is a sex influenced trait? |
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Definition
| An autosomal gene expressed differently in different sexes |
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Term
| what is a sex linked gene? |
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Definition
| a gene located on a sex chromosome |
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Term
| What is a sex chromosome? |
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Definition
| a chromosome responsible for determining sex |
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Term
| Colorblindness is an example of a _____ |
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Definition
| sex linked genetic disorder |
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Term
| When are sex limited traits usually seen? |
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Definition
| until after a person reaches puberty |
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Term
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Definition
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Term
| Which sex chromosomes do you get from your dad? |
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Definition
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Term
| When DNA replicates, the result is |
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Definition
| two strands, each 1/2 old and 1/2 new |
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Term
| To "unzip" DNA for replication, the bonds between ____ must be broken. |
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Definition
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Term
| DNA replication must occur before |
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Definition
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Term
| Where does DNA replication occur? |
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Definition
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Term
| DNA replication can only happen when the DNA structure is |
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Definition
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Term
| DNA is composed of ____ that are held together by hydrogen bonds. |
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Definition
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Term
| What smaller subunits make up the DNA molecule? |
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Definition
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Term
| DNA makes a copy of itself in the process of |
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Definition
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Term
| Who discovered the structure of the DNA? |
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Definition
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Term
| The spiral staircase like structure of DNA is commonly referred to as ____ |
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Definition
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Term
| Another name for a non sex chromosome is |
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Definition
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Term
| What do the chromosomes look like for a female? Male? |
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Definition
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Term
| Enzyme responsible for finding base pairs |
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Definition
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Term
| Enzyme responsible for locking in DNA ladder sides |
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Definition
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Term
| Sex linked traits are only expressed in the presence of certain body hormones - T or F |
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Definition
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Term
| Down syndrome is the result of having ______ |
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Definition
| more chromosomes than needed |
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Term
| What makes up the backbone of the DNA ladder? |
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Definition
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Term
| Can nitrogen bases pair up with any other nitrogen base? |
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Definition
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Term
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Definition
| the base sequence for all of the DNA in an organism |
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Term
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Definition
| a photograph showing an organism's chromosomes |
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Term
| What does a karyotype tell you? |
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Definition
| potential genetic problems |
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Term
| Is the genome base sequence of human genes similar to other organisms? |
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Definition
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Term
Who is more likely to be color blind?
Males or females? |
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Definition
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Term
| Do autosomes determine the sex of a child? |
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Definition
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Term
| The allele for male baldness is sex influenced and with the sex hormone, the allele is _____ (dominant or recessive) |
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Definition
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Term
| Where are sex limited traits found? |
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Definition
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