7th Grade Science Chapter 5

Question 1 of 39

1

A carrier of a trait controlled by a ❌ allele ❌ have the trait.

Select option below to complete the highlighted text

recessive

generic

does not

does

Explanation

Question 2 of 39

1

The carrier of a recessive allele can pass it on to their offspring

Select one of the following:

True
False

Explanation

Question 3 of 39

1

Sex linked genes can have only dominant alleles

Select one of the following:

True
False

Explanation

Question 4 of 39

1

Genes on the X and Y chromosomes are often called...

Select one of the following:

Dominant alleles
Recessive alleles
Sex-linked alleles
Sex- linked genes

Explanation

Question 5 of 39

1

Select from the dropdown lists to complete the text.

Females have only ( X chromosomes,, Y Chromosomes ) but males have both and ( X and a Y., X and and X )

Explanation

Question 6 of 39

1

Which one is not one of the three patterns of inheritance in humans?

Select one of the following:

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

Explanation

Question 7 of 39

1

How many human blood types are there ?

Select one of the following:

4 A,B,AB,O
4 A,B,C,D
4 A,B,AB,BA
3 A,B,o

Explanation

Question 8 of 39

1

the ❌ carry genes that determine wether a person is ❌ and carry genes that determine other traits

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sex chromosomes

sex linked genes

male or female

color blind

Explanation

Question 9 of 39

1

A person's characteristics are determined only by genes

Select one of the following:

True
False

Explanation

Question 10 of 39

1

Colorblindness is a trait controlled by a ❌ allele on the ❌ chromosome.

Select option below to complete the highlighted text

recessive

dominant

X

Y

Explanation

Question 11 of 39

1

Select from the dropdown lists to complete the text.

A carrier is a person who has one ( recessive allele, dominant allele ) for a trait and one ( dominant allele., dormant gene )

Explanation

Question 12 of 39

1

The two causes of genetic disorders in humans are mutations in the ❌ of genes and changes in teh overall structure or number of ❌s.

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DNA

structure

chromosomes

genes

Explanation

Question 13 of 39

1

Genetic disorder that makes the body produce abnormally thick mucus in the lungs and intestines.

Select one of the following:

SIckle Cell disease
Cystic Fibrosis
Hemophilia

Explanation

Question 14 of 39

1

One important tool that geneticist use to trace the ❌ in humans is a ❌ or family tree.

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inheritance of traits

chromosomal abnormalities

pedigree chart

Karyotypes

Explanation

Question 15 of 39

1

Fill the blank space to complete the text.

Down Syndrome is when a person's cells have an extra copy of .

Explanation

Question 16 of 39

1

Select from the dropdown list to complete the text.

Today doctors use ( karyotypes, pedigree, genotypes ) to help diagnose genetic disorders

Explanation

Question 17 of 39

1

What is the genetic cause of cystic fibrosis?

Select one of the following:

Loss of 3 DNA bases
Adding 3 DNA bases
Loss of 2 DNA bases

Explanation

Question 18 of 39

1

An examle of a human trait that is controlled by more than one gene is

Select one of the following:

blood type
skin color
widow's peak
dimples

Explanation

Question 19 of 39

1

A person who has one recessive and one dominant allele for a trait is called a

Select one of the following:

homozygote
carrier
clone
hybrid

Explanation

Question 20 of 39

1

A genetic disorder in which the person's blood clots very slow if at all is

Select one of the following:

sickle cell disease
cystic fibrosis
down's syndrome
hemohilia

Explanation

Question 21 of 39

1

The crsossing of two individuals that have similar characteristics is referred to as

Select one of the following:

genetic engineering
hybridization
inbreeding
cloning

Explanation

Question 22 of 39

1

The transfer of genes from one organism to another is called

Select one of the following:

hybridization
cloning
selective breeding
genetic engineering

Explanation

Question 23 of 39

1

A chart that tracks which members of a family have a particular trait is called a

Select one of the following:

pedigree
Punnett Square
karyotype
genome

Explanation

Question 24 of 39

1

In a pedigree, a square is used to represent a

Select one of the following:

female
male
carrier
clone

Explanation

Question 25 of 39

1

Select from the dropdown list to complete the text.

The ( sex, multiple, recessive, gene ) chromosomes determine if a person is a male or female

Explanation

Question 26 of 39

1

An abnormal condition that a person inherits through genes or chromosomes is a

Select one of the following:

pedigree
gene therapy
genetic disorer
karyotype

Explanation

Question 27 of 39

1

Three or more forms of a gene that code for a single trait are called multiple alleles

Select one of the following:

True
False

Explanation

Question 28 of 39

1

Sex-linked recessive traits are more common in females

Select one of the following:

True
False

Explanation

Question 29 of 39

1

Sickle Cell disease is a genetic disorder in which the body produces abnormally thick mucus.

Select one of the following:

True
False

Explanation

Question 30 of 39

1

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

Select one of the following:

True
False

Explanation

Question 31 of 39

1

In karyotyping a person's DNA is cut into fragments, which are separated to form a pattern.

Select one of the following:

True
False

Explanation

Question 32 of 39

1

Select from the dropdown list to complete the text.

A(n) ( genome, clone ) is all the DNA in one cell of an organism.

Explanation

Question 33 of 39

1

The goal of the ❌ has been to identify the DNA sequence of every human gene

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human genome project

clone

genetic engineering.

Explanation

Question 34 of 39

1

A ❌ is an organism that is genetically identifcal to the organism from which it was produced.

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clone

genome

selective breed

Explanation

Question 35 of 39

1

Why is hemophilia more common in males?

Select one of the following:

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

Explanation

Question 36 of 39

1

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

Select one of the following:

True
False

Explanation

Question 37 of 39

1

	Created by sherri oberding about 6 years ago

7th Grade Science Quiz on 7th Grade Science Chapter 5, created by sherri oberding on 31/10/2018.

7th Grade Science Chapter 5

Question 1 of 39

A carrier of a trait controlled by a ❌ allele ❌ have the trait.

Select option below to complete the highlighted text

Explanation

Question 2 of 39

The carrier of a recessive allele can pass it on to their offspring

Select one of the following:

Explanation

Question 3 of 39

Sex linked genes can have only dominant alleles

Select one of the following:

Explanation

Question 4 of 39

Genes on the X and Y chromosomes are often called...

Select one of the following:

Explanation

Question 5 of 39

Select from the dropdown lists to complete the text.

Females have only X chromosomes, Y Chromosomes( X chromosomes,, Y Chromosomes ) but males have both and X and a Y. X and and X( X and a Y., X and and X )

Explanation

Question 6 of 39

Which one is not one of the three patterns of inheritance in humans?

Select one of the following:

Explanation

Question 7 of 39

How many human blood types are there ?

Select one of the following:

Explanation

Question 8 of 39

the ❌ carry genes that determine wether a person is ❌ and carry genes that determine other traits

Select option below to complete the highlighted text

Explanation

Question 9 of 39

A person's characteristics are determined only by genes

Select one of the following:

Explanation

Question 10 of 39

Colorblindness is a trait controlled by a ❌ allele on the ❌ chromosome.

Select option below to complete the highlighted text

Explanation

Question 11 of 39

Select from the dropdown lists to complete the text.

A carrier is a person who has one recessive allele dominant allele( recessive allele, dominant allele ) for a trait and one dominant allele. dormant gene( dominant allele., dormant gene )

Explanation

Question 12 of 39

The two causes of genetic disorders in humans are mutations in the ❌ of genes and changes in teh overall structure or number of ❌s.

Select option below to complete the highlighted text

Explanation

Question 13 of 39

Genetic disorder that makes the body produce abnormally thick mucus in the lungs and intestines.

Select one of the following:

Explanation

Question 14 of 39

One important tool that geneticist use to trace the ❌ in humans is a ❌ or family tree.

Select option below to complete the highlighted text

Explanation

Question 15 of 39

Fill the blank space to complete the text.

Down Syndrome is when a person's cells have an extra copy of .

Explanation

Question 16 of 39

Select from the dropdown list to complete the text.

Today doctors use karyotypes pedigree genotypes( karyotypes, pedigree, genotypes ) to help diagnose genetic disorders

Explanation

Question 17 of 39

What is the genetic cause of cystic fibrosis?

Select one of the following:

Explanation

Question 18 of 39

An examle of a human trait that is controlled by more than one gene is

Select one of the following:

Explanation

Question 19 of 39

A person who has one recessive and one dominant allele for a trait is called a

Select one of the following:

Explanation

Question 20 of 39

A genetic disorder in which the person's blood clots very slow if at all is

Females have only ( X chromosomes,, Y Chromosomes ) but males have both and ( X and a Y., X and and X )

A carrier is a person who has one ( recessive allele, dominant allele ) for a trait and one ( dominant allele., dormant gene )

Today doctors use ( karyotypes, pedigree, genotypes ) to help diagnose genetic disorders

The ( sex, multiple, recessive, gene ) chromosomes determine if a person is a male or female

A(n) ( genome, clone ) is all the DNA in one cell of an organism.