Chapter test Flashcards

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1
Q

true or false A poor diet can keep a person from growing as tall as possible

A

true

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2
Q

true or false Animals are easy to clown as plants

A

false

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3
Q

true or false Genetic disorders are caused only by changes in the number of chromosomes

A

false

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4
Q

true or false People with genetic disorders live active productive lives

A

true

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5
Q

true or false The sex chromosome carry only genes that determine the sex

A

false

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6
Q

All egg cells have a ____________ chromosome

A

x

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7
Q

_____________ is a person who advises couples about their chance of having a child with a genetic disorder

A

genetic counselor

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8
Q

All the DNA is one cell of an organism is called a blank

A

genome

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9
Q

The phenotype of all living things are caused by both their genes and the _____

A

enviorment factors

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10
Q

Blank is a organism that is genetically identical to the organism where it was produced

A

clone

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11
Q

The main goal of a human genome project is to identify the DNA sequence of a ___ gene.

A

Human

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12
Q

In which method in organism with desirable traits chosen to be the parents of the next generation

A

selective breeding

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13
Q

treating genetic disorders by inserting the needed gene directly into a person’s body is called

A

gene therapy

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14
Q

Genes with more than 2 alleles have ___ alleles

A

multiple

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15
Q

Traits that are controlled by many genes working together have a wide range of ______.

A

Phenotype

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16
Q

Blank is a tool geneticists used to trace the inheritance of traits in family

A

pedigree

17
Q

____ is a picture of all chromosomes within a cell that doctors use to detect genetic disorders

A

karyotype

18
Q

In a pedigree a square represents the

A

male

19
Q

What combination of sex chromosomes do all men have

A

XY

20
Q

_____is an abnormal condition that a person inherits through their gene or chromosome.

A

Genetic disorder