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7th Grade Science Chapter 5

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7th Grade Science Quiz on 7th Grade Science Chapter 5, created by sherri oberding on 31/10/2018.
sherri oberding
Quiz by sherri oberding, updated more than 1 year ago
sherri oberding
Created by sherri oberding about 6 years ago
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Resource summary

Question 1

Question
A carrier of a trait controlled by a [blank_start]recessive[blank_end] allele [blank_start]does not[blank_end] have the trait.
Answer
  • recessive
  • generic
  • does not
  • does

Question 2

Question
The carrier of a recessive allele can pass it on to their offspring
Answer
  • True
  • False

Question 3

Question
Sex linked genes can have only dominant alleles
Answer
  • True
  • False

Question 4

Question
Genes on the X and Y chromosomes are often called...
Answer
  • Dominant alleles
  • Recessive alleles
  • Sex-linked alleles
  • Sex- linked genes

Question 5

Question
Females have only [blank_start]X chromosomes,[blank_end] but males have both and [blank_start]X and a Y.[blank_end]
Answer
  • X chromosomes,
  • Y Chromosomes
  • X and a Y.
  • X and and X

Question 6

Question
Which one is not one of the three patterns of inheritance in humans?
Answer
  • Single Gene with Two Alleles
  • Single Genes with Multiple Alleles
  • Traits controlled by many genes
  • Traits by controlled by a single gene with no alleles

Question 7

Question
How many human blood types are there ?
Answer
  • 4 A,B,AB,O
  • 4 A,B,C,D
  • 4 A,B,AB,BA
  • 3 A,B,o

Question 8

Question
the [blank_start]sex chromosomes[blank_end] carry genes that determine wether a person is [blank_start]able or female[blank_end] and carry genes that determine other traits
Answer
  • sex chromosomes
  • sex linked genes
  • male or female
  • color blind

Question 9

Question
A person's characteristics are determined only by genes
Answer
  • True
  • False

Question 10

Question
Colorblindness is a trait controlled by a [blank_start]recessive[blank_end] allele on the [blank_start]X[blank_end] chromosome.
Answer
  • recessive
  • dominant
  • X
  • Y

Question 11

Question
A carrier is a person who has one [blank_start]recessive allele[blank_end] for a trait and one [blank_start]dominant allele.[blank_end]
Answer
  • recessive allele
  • dominant allele
  • dominant allele.
  • dormant gene

Question 12

Question
The two causes of genetic disorders in humans are mutations in the [blank_start]DNA[blank_end] of genes and changes in teh overall structure or number of [blank_start]chromosome[blank_end]s.
Answer
  • DNA
  • structure
  • chromosomes
  • genes

Question 13

Question
Genetic disorder that makes the body produce abnormally thick mucus in the lungs and intestines.
Answer
  • SIckle Cell disease
  • Cystic Fibrosis
  • Hemophilia

Question 14

Question
One important tool that geneticist use to trace the [blank_start]inheritance of traits[blank_end] in humans is a [blank_start]pedigree chart[blank_end] or family tree.
Answer
  • inheritance of traits
  • chromosomal abnormalities
  • pedigree chart
  • Karyotypes

Question 15

Question
Down Syndrome is when a person's cells have an extra copy of [blank_start]chromosome 21[blank_end].
Answer
  • chromosome 21

Question 16

Question
Today doctors use [blank_start]karyotypes[blank_end] to help diagnose genetic disorders
Answer
  • karyotypes
  • pedigree
  • genotypes

Question 17

Question
What is the genetic cause of cystic fibrosis?
Answer
  • Loss of 3 DNA bases
  • Adding 3 DNA bases
  • Loss of 2 DNA bases

Question 18

Question
An examle of a human trait that is controlled by more than one gene is
Answer
  • blood type
  • skin color
  • widow's peak
  • dimples

Question 19

Question
A person who has one recessive and one dominant allele for a trait is called a
Answer
  • homozygote
  • carrier
  • clone
  • hybrid

Question 20

Question
A genetic disorder in which the person's blood clots very slow if at all is
Answer
  • sickle cell disease
  • cystic fibrosis
  • down's syndrome
  • hemohilia

Question 21

Question
The crsossing of two individuals that have similar characteristics is referred to as
Answer
  • genetic engineering
  • hybridization
  • inbreeding
  • cloning

Question 22

Question
The transfer of genes from one organism to another is called
Answer
  • hybridization
  • cloning
  • selective breeding
  • genetic engineering

Question 23

Question
A chart that tracks which members of a family have a particular trait is called a
Answer
  • pedigree
  • Punnett Square
  • karyotype
  • genome

Question 24

Question
In a pedigree, a square is used to represent a
Answer
  • female
  • male
  • carrier
  • clone

Question 25

Question
The [blank_start]sex[blank_end] chromosomes determine if a person is a male or female
Answer
  • sex
  • multiple
  • recessive
  • gene

Question 26

Question
An abnormal condition that a person inherits through genes or chromosomes is a
Answer
  • pedigree
  • gene therapy
  • genetic disorer
  • karyotype

Question 27

Question
Three or more forms of a gene that code for a single trait are called multiple alleles
Answer
  • True
  • False

Question 28

Question
Sex-linked recessive traits are more common in females
Answer
  • True
  • False

Question 29

Question
Sickle Cell disease is a genetic disorder in which the body produces abnormally thick mucus.
Answer
  • True
  • False

Question 30

Question
The process of selecting a few organisms with desired traits to serve as parents of the next generation is called genetic engineering
Answer
  • True
  • False

Question 31

Question
In karyotyping a person's DNA is cut into fragments, which are separated to form a pattern.
Answer
  • True
  • False

Question 32

Question
A(n) [blank_start]genome[blank_end] is all the DNA in one cell of an organism.
Answer
  • genome
  • clone

Question 33

Question
The goal of the [blank_start]human genome project[blank_end] has been to identify the DNA sequence of every human gene
Answer
  • human genome project
  • clone
  • genetic engineering.

Question 34

Question
A [blank_start]clone[blank_end] is an organism that is genetically identifcal to the organism from which it was produced.
Answer
  • clone
  • genome
  • selective breed

Question 35

Question
Why is hemophilia more common in males?
Answer
  • Sex linked trait on the X chromosome
  • Sex linked trait on the Y chromosome
  • Recessive trait on the Y chromosome
  • Dominant trait on the Y chromosome

Question 36

Question
A couple has a son who does not have symptoms of sickle-cell disease has no chance of having abnormal hemoglobin
Answer
  • True
  • False

Question 37

Question
3 methods that people have used to produce plants and animals with desireable traits include
Answer
  • The Human Genome Project, selective breeding and cloning
  • Cloning, selective breeding, and genetic engineering
  • Karyotype, cloning, selective breeding

Question 38

Question
Which parent basically controls the trait for colorblindness for the sons?
Answer
  • The father, because he has the Y chromosome?
  • The mother, because the trait is passed on the X chromosome
  • It could be either, because it is a recessive allele

Question 39

Question
Only the [blank_start]female[blank_end] gender can be a carrier of a sex-linked trait.
Answer
  • female
  • male
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