Biology Chapter 14 Vocabulary Flashcards Quizlet PDF

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are a few tips to help you reduce your total word count:
1. Write succinctly, with a simple sentence structure. Minimise the use of adjectives.
2. State Mendel’s laws and give one sentence to describe them. Do the same for Morgan’s observations. You do not need to give details of Mendel’...

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Tags related to this set AP Biology

Sex Linked Disorder

Sex Linked Gene

Tay Sachs Disease

Terms in this set (21)

sections of DNA

karyotype

picture of chromosomes arranged in pairs

nondisjunction

failure of homologous chromosomes to separate in meiosis

pedigree

chart that shows the relationships within a family

sex chromosomes

chromosomes that determine an individual's sex

sex-linked gene

gene located on the X or Y chromosome

Down Syndrome

occurs when there is a trisomy of chromosome 21

Klinefelter's Syndrome

occurs when a mate inherits an extra X chromosome

Turner's Syndrome

occurs when a woman inherits only one X chromosome

karyotype

a picture of chromosomes arranged in pairs is an example of a

sex chromosomes

the X and Y chromosomes are called the

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autosomes

the 44 chromosomes that are not involved in sex determination are known as the

pedigree

shows how a trait is passed from one generation to the next in a family is called a

nondisjunction

Down syndrome is caused by

D

Genes located on the X or Y chromosomes are called a) sex organs b) autosomes c) a pedigree d) sex-linked

B

One example of a sex-linked disorder is a) a sickle cell disease b) hemophilia c) Down syndrome d) Tay-Sachs disease

B

Nondisjunction results in a(n) a) inactivated chromosome b) abnormal number of chromosomes c) normal number of genes d) normal number of chromosomes

A

What happens when nondisjunction occurs? a) chromosomes fail to separate b) chromosomes separate normally c) sections of chromosomes are deleted d) sections of chromosomes become inverted

A

How is DNA fingerprinting commonly used? a) to convict criminals or overturn convictions b) to sequence all human DNA c) to rapidly sequence DNA with computers d) to identify and locate human genes

D

DNA samples for human DNA fingerprinting can be obtained from a) sperm b) blood c) hair with attached tissue d) all of the above

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