Question 1

In the human ABO blood grouping,there are four basic blood types,type A,type B,type AB,and type O.The blood proteins A and B are:

Accepted Answer

A) simple dominant and recessive traits 
B) codominant 
C) incompletely dominant 
D) sex-linked traits 
A) simple dominant and recessive traits 
B) codominant 
C) incompletely dominant 
D) sex-linked traits

Question 2

An individual is said to be _____________ if it has two copies of the same factor for a given trait.

Accepted Answer

The answer of An individual is said to be _____________...

Question 3

Mendel's Law of Independent Assortment states that genes located on different chromosomes are inherited independently of one another.If this is the case,what happens when two genes are located on the same chromosome,are they inherited together,do they separate,or both?

Accepted Answer

Both.Linked genes are inherite

Question 4

The gene for ABO blood type encodes an enzyme that adds sugar molecules to lipids on the surface of red blood cells.

Accepted Answer

A) True 
 B)False

Question 5

What is the probability of getting a pea plant with recessive green seed color when two heterozygous pea plants,both having the dominant yellow-seeded phenotype,are crossed with each other?

Accepted Answer

A) 1 in 6 
B) 1 in 4 
C) 1 in 2 
D) None 
A) 1 in 6 
B) 1 in 4 
C) 1 in 2 
D) None

Question 6

Humans who have lost one copy of a chromosome are called ____________ and generally do not survive development.

Accepted Answer

A) monosomics 
B) trisomics 
C) eusomics 
D) diploids 
A) monosomics 
B) trisomics 
C) eusomics 
D) diploids

Question 7

What discovery by T.H.Morgan finally determined that genes were carried on chromosomes?

Accepted Answer

A) Heat-sensitivity of certain enzymes determining coat color 
B) Sex-linked inheritance of eye color in fruit flies 
C) The finding of complete dominance 
D) Discovery of the Rh blood group 
A) Heat-sensitivity of certain enzymes determining coat color 
B) Sex-linked inheritance of eye color in fruit flies 
C) The finding of complete dominance 
D) Discovery of the Rh blood group

Question 8

Genes for sex-linked traits tend to be carried on what chromosomes?

Accepted Answer

A) Chromosome 21 
B) Any of the autosomes 
C) Y chromosomes 
D) X chromosomes 
E) Chromosome 13 
A) Chromosome 21 
B) Any of the autosomes 
C) Y chromosomes 
D) X chromosomes 
E) Chromosome 13

Question 9

Mendel's "factors" for inheritance are now known to be ________.

Accepted Answer

The answer of Mendel's "factors" for inheritance are now known...

Question 10

The outward expression of an organism's genotype is referred to as its genotype.

Accepted Answer

A) True 
 B)False

Question 11

When homologous chromosomes or chromatids fail to separate properly in meiosis,this is called _________________.

Accepted Answer

The answer of When homologous chromosomes or chromatids fail to...

Question 12

Gregor Mendel's work was different from that of other researchers working on inheritance in his day because he alone:

Accepted Answer

A) was a religious man 
B) worked with pea plants 
C) knew how to grow plants 
D) actually counted the numbers and types of offspring 
A) was a religious man 
B) worked with pea plants 
C) knew how to grow plants 
D) actually counted the numbers and types of offspring

Question 13

Which procedure is the least-invasive method of assessing fetal health while development is still occurring?

Accepted Answer

A) Amniocentesis 
B) Chorionic villus sampling 
C) Ultrasound 
D) Karyotyping 
A) Amniocentesis 
B) Chorionic villus sampling 
C) Ultrasound 
D) Karyotyping

Question 14

There are 3 alleles that lead to the ABO blood types.How many alleles does an individual inherit from their parents?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) None of the choices is correct. 
A) 1 
B) 2 
C) 3 
D) 4 
E) None of the choices is correct.

Question 15

Mendel's law that states only one allele specifying an alternative trait can be carried in a particular gamete is called the _________________________________.

Accepted Answer

The answer of Mendel's law that states only one allele...

Question 16

Why is coat color in Labrador retrievers an example of epistasis?

Accepted Answer

Coat color is primarily due to the inter

Question 17

All of the following are recessive traits in humans except:

Accepted Answer

A) mid-digital hair 
B) albinism 
C) common baldness 
D) red-green color blindness 
E) sickle-cell disease 
A) mid-digital hair 
B) albinism 
C) common baldness 
D) red-green color blindness 
E) sickle-cell disease

Question 18

The diploid number of chromosomes in pea plants is 14.What is the haploid chromosome number?

Accepted Answer

A) 56 
B) 28 
C) 14 
D) 7 
A) 56 
B) 28 
C) 14 
D) 7

Question 19

______________ is the interaction between the products of two genes in which one of the genes modifies the phenotypic expression produced by the other.

Accepted Answer

The answer of ______________ is the interaction between the products...

Question 20

Nondisjunction of chromosomes resulting in aneuploidy occurs during:

Accepted Answer

A) anaphase of mitosis 
B) prophase I 
C) metaphase II 
D) anaphase I or II 
E) telophase I 
A) anaphase of mitosis 
B) prophase I 
C) metaphase II 
D) anaphase I or II 
E) telophase I

Exam 10: Foundations of Genetics

In the human ABO blood grouping,there are four basic blood types,type A,type B,type AB,and type O.The blood proteins A and B are:

An individual is said to be _____________ if it has two copies of the same factor for a given trait.

Mendel's Law of Independent Assortment states that genes located on different chromosomes are inherited independently of one another.If this is the case,what happens when two genes are located on the same chromosome,are they inherited together,do they separate,or both?

The gene for ABO blood type encodes an enzyme that adds sugar molecules to lipids on the surface of red blood cells.

What is the probability of getting a pea plant with recessive green seed color when two heterozygous pea plants,both having the dominant yellow-seeded phenotype,are crossed with each other?

Humans who have lost one copy of a chromosome are called ____________ and generally do not survive development.

What discovery by T.H.Morgan finally determined that genes were carried on chromosomes?

Genes for sex-linked traits tend to be carried on what chromosomes?

Mendel's "factors" for inheritance are now known to be ________.

The outward expression of an organism's genotype is referred to as its genotype.

When homologous chromosomes or chromatids fail to separate properly in meiosis,this is called _________________.

Gregor Mendel's work was different from that of other researchers working on inheritance in his day because he alone:

Which procedure is the least-invasive method of assessing fetal health while development is still occurring?

There are 3 alleles that lead to the ABO blood types.How many alleles does an individual inherit from their parents?

Mendel's law that states only one allele specifying an alternative trait can be carried in a particular gamete is called the _________________________________.

Why is coat color in Labrador retrievers an example of epistasis?

All of the following are recessive traits in humans except:

The diploid number of chromosomes in pea plants is 14.What is the haploid chromosome number?

______________ is the interaction between the products of two genes in which one of the genes modifies the phenotypic expression produced by the other.

Nondisjunction of chromosomes resulting in aneuploidy occurs during:

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