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Biology Chapter 8
Mrs. Stewart
32
Biology
9th Grade
10/08/2013

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Cards

Term

 

 

The allele for a recessive trait is

usually represented by a capital letter

 

T or F

Definition

 

 

 

False

Term

 

Probability is the likelihood that

a certain event will occur

 

T or F

 

 

 

 

Definition

 

 

True

Term

 

Mendel discovered predictable

patterns in the inheritance of traits

 

T or F

Definition

 

 

True

Term

 

 

Genetics is the branch of biology that

involves the study of how different traits

are transmitted from one generation to the next

 

T or F

 

Definition

 

 

True

Term

 

Refer to illustration #1.  Child #3 probably

has a homozygous recessive phenotype

 

T or F

Definition

 

 

 

True

Term

 

Refer to illustration #1.  

The father listed in

the pedigree is most likely

heterozygous for the trait.

 

T or F

Definition

 

 

True

Term

 

An autosomal trait will occur with equal

frequency in both males and females

 

T or F

 

Definition

 

 

True

Term

 

Mendel's initial experiments were

monohybrid crosses

 

T or F

 

Definition

 

 

True

Term

 

A dominant allele masks the

effect of a recessive allele

 

T or F

Definition

 

 

True

Term

 

Heterozygous individuals have two of the

same alleles for a particular gene

 

T or F

Definition

 

 

False

Term

 

The phenotype of an organism..

 

represents its genetic composition

or

is the physical appearance of a trait

Definition

 

 

is the physical appearance of a trait

Term

 

What would be the blood type of a person

who inherited an A allele from one parent 

and an O allele from the other?

type A

or

type B

Definition

 

  type A

Term

 

Tallness (T) is dominant to shortness (t) in pea 

plants. Which of the following represents a genotype

of a pea plant that is heterozygous for tallness?

 

Tt

or

tt

Definition

 

 

  Tt

Term

 

The "father" of genetics was 

  

A. Knight

or 

Gregor Mendel

 

Definition

 

 

Gregor Mendel

Term

 

The scientific study of heredity is called

 

genetics

or

pollination

Definition

 

 

genetics

Term

 

If a characteristic is sex-linked, it...

 

occurs most commonly in males

or

occurs only in females

Definition

 

 

 

occurs most commonly in males

Term

 

Refer to illustration #2.  Which box in

the Punnett square represents a

child who does not have freckles?

 

box 3

or

box 4

Definition

 

 

box 4

Term

 

Refer to illustration #2.  The child represented

in box 1 in the Punnett square would

 

be homozygous for freckles

or

have an extra freckles chromosome

Definition

 

 

 

be homozygous for freckles

Term

 

Refer to illustration #2. The child in

box 3 of the Punnett square has the genotype

 

FF

or

Ff

Definition

 

 

Ff

Term

 

Since the allele for colorblindness is located 

on the X chromosome, colorblindness...

 

occurs ony in adults

or

is sex-linked

Definition

 

 

is sex-linked

Term

 Mendel's law of segregation states that

 

 each pair of alleles remains together when

gametes are formed

 

or

the two alleles for a trait separate when

gametes are formed

Definition

 

 

the two alleles for a trait separate when

gametes are formed

Term

 

 Which of the following traits is controlled

by multiple alleles in humans?

 

sickle cell anemia

or

blood type

Definition

 

  blood type

Term

 

 How many different phenotypes can be produced

by a pair of codominant alleles?

 

3

or

4

Definition

 

 

3

Term

 

 The passing of traits from parents

to offspring is called

 

genetics

or

heredity

 

Definition

 

 

heredity

Term

 

A change in a gene due to damage

or being copied incorrectly is called

 

segregation

or

a mutation

Definition

 

 

a mutation

 

Term

 

Mendel obtained his P generation by allowing 

the plants to

 

self-pollinate

or

cross-pollinate

Definition

 

 

 

self-pollinate

Term

 If an individual possesses two recessive

alleles for the same trait,

the individual is said to be

 

homozygous for the trait

or

haploid for the trait

Definition

 

 

homozygous for the trait

Term

In rabbits, black fur (B) is dominant to brown fur (b).

Consider the following cross between two rabbits.

Refer to illustration #3.  The phenotype of the offspring

 indicated by box 3 would be

 

brown

or black

Definition

 

 

black

Term

 

Refer to illustration #3.  Both of the

parents in the cross are

 

black

or

brown

Definition

 

 

black

Term

Refer to illustration #3. The device shown, which 

is used to determine the probable outcome of genetic

 

mendelian box

or

Punnett square

Definition

 

 

Punnett square

Term

 

The unknown genotype of an individual with 

a dominant phenotype can bedetermined using

 

probability

or

a test cross

Definition

 

 

  a test cross

Term

 A diagram in which several generations

of a family and the occurrence of certain

genetic characteristics are shown

 

pedigree

or 

family karyotype

Definition

 

 

 

pedigree

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