Quiz about 7th grade Genetics

Question 1

What is an organism's physical representation of it's genotype?

Accepted Answer

phenotype

Answer

elle

Answer

heredity

Answer

dominant

Question 2

One set of instructions for an inherited trait

Accepted Answer

gene

Answer

sexual reproduction

Answer

homozygous

Answer

heterozygous

Question 3

Physical characteristics, shown by an organism, based on the allele combination

Accepted Answer

traits

Answer

punnett squares

Answer

reproduction

Question 4

One of the alternative forms of a gene that governs a characteristic.

Accepted Answer

allele

Answer

reproduction

Answer

punnett square

Question 5

The entire genetic makeup of an organism; also the combination of genes for one or more specific trait. (ex. Bb)

Accepted Answer

genotype

Answer

genes

Answer

traits

Answer

phenotype

Question 6

A graphic used to predict the results of a genetic cross.

Accepted Answer

punnett square

Answer

reproduction

Answer

heterozygous

Answer

homozygous

Question 7

An allele that is fully expressed whenever the allele is present in an individual.

Accepted Answer

dominant

Answer

reproductive

Answer

heterozygous

Answer

heredity

Question 8

Describes an allele that will be masked unless the organism is homozygous for the trait.

Accepted Answer

recessive

Answer

punnett square

Answer

heterozygous

Answer

allele

Question 9

When an organism has the same two alleles for a trait. (example: TT)

Accepted Answer

homozygous

Answer

heterozygous

Answer

gene

Answer

trait

Question 10

Structures in the nucleus made up of DNA and protein

Accepted Answer

chromosomes

Answer

asexual reproduction

Answer

punnett squares

Answer

finch

Question 11

When an organism has two different alleles for a trait; (example Tt)

Accepted Answer

heterozygous

Answer

Homozygous

Answer

allele

Answer

trait

Question 12

The passing of genetic material from parent to offspring.

Accepted Answer

Heredity

Answer

punnett square

Answer

pelican

Answer

sexual reproduction

Question 13

When the sex cells from 2 parents unite to produce offspring that share the traits from both parents.

Accepted Answer

sexual reproduction

Answer

dominant

Answer

recessive

Answer

asexual reproduction

Question 14

When one parent produces offspring that are genetically identical to that parent.

Accepted Answer

asexual reproductive

Answer

allele

Answer

gene

Answer

genotype

Question 15

Is AA a genotype or phenotype?

Accepted Answer

genotype

Answer

phenotype

Question 16

Is bb dominant or recessive?

Accepted Answer

recessive

Answer

dominant

Question 17

Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?

Accepted Answer

Hybrid

Answer

Purebred

Question 18

Which of the following is a phenotype?

Accepted Answer

Blue eyes

Answer

BB

Answer

Bb

Answer

bb

Question 19

What is a phenotype?

Accepted Answer

The physical trait

Answer

The genetic make up (code)

Question 20

The passing of genetic characteristics from parent to offspring.

Accepted Answer

heredity

Answer

trait

Answer

gene

Answer

allele

Question 21

Having two of the same genes for the trait (sometimes called purebred).

Accepted Answer

homozygous

Answer

hetrozygous

Answer

protein

Answer

chromosome

Question 22

Having two different genes for a trait (sometimes called hybrid).

Accepted Answer

heterozygous

Answer

protein

Answer

homozygous

Answer

genotype

Question 23

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

Accepted Answer

height

Answer

the scar

Answer

ability to swim

Answer

ability to play drums

Question 24

An allele whose trait only shows up when no dominant allele is present.

Accepted Answer

recessive allele

Answer

hidden allele

Answer

dominant allele

Answer

present allele

Question 25

A single piece of coiled DNA found in the cells; contains genes that encode traits.

Accepted Answer

chromosome

Answer

gene

Answer

trait

Answer

DNA

Question 26

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

Accepted Answer

DNA

Answer

protein

Answer

RNA

Answer

glucose nucleic acid (GNA)

Question 27

Cell reproduction - when one cell becomes two

Accepted Answer

mitosis

Answer

meiosis

Answer

anaphase

Answer

morph

Question 28

Different forms of a characteristic

Accepted Answer

trait

Answer

genetics

Answer

purebred

Answer

homozygous

Question 29

Makes proteins using directions from DNA

Accepted Answer

ribosomes

Answer

nucleus

Answer

organelles

Answer

vacuole

Question 30

The building blocks of cells that control your specific characteristics

Accepted Answer

Ribsosomes

Answer

RNA

Answer

Protein

Answer

Nucleus

Question 31

Produces 4 sex cells, sperm and egg

Accepted Answer

Meiosis

Answer

Mitosis

Answer

Morph

Answer

Zygote

Question 32

The letters that represent the different forms of a gene (dimples: D=present; d=absent)

Accepted Answer

Alleles

Answer

Mitosis

Answer

Phenotype

Answer

Chromosome

Question 33

What is the definition of Heredity?

Accepted Answer

genetics passed from the  parent to the offspring.

Answer

the persons genes

Answer

the genes 2 people have

Answer

the division of sex cells and body cells

Question 34

What is the definition of mitosis?

Accepted Answer

The process that makes two daughter cells identical.

Answer

cells split in three individual sex cells without duplicating DNA.

Answer

the division of sex cells.

Answer

Mrs. Carroll

Question 35

What is the definition of meiosis?

Accepted Answer

does not make body cells, but it makes sex cells

Answer

The process that helps individual cells reproduce

Answer

body cells

Answer

the division of genes

Question 36

What is the definition of Genotype (choose the BEST answer)?

Accepted Answer

genes that are inside of us

Answer

a persons genes

Answer

genes

Answer

our jeans

Question 37

What is the definition of Phenotype? (Be SPECIFIC!)

Accepted Answer

characteristics that are observable

Answer

chracateristics that don't show

Answer

an organisms characteristics

Answer

characteristics that aren't observable

Question 38

What is the definition of Homozygous?

Accepted Answer

when an organism has 2 identical traits.

Answer

an organisms genes

Answer

characterisitcs passed on from the parent to the offspring.

Answer

different types of letters

Question 39

What is the definition of homozygous dominant?

Accepted Answer

two dominant alleles

Answer

when an organism has 2 identical cells

Answer

two recessive alleles

Answer

the relationship between alleles of one gene

Question 40

What is the definition of homozygous recessive?

Accepted Answer

two recessive alleles

Answer

two dominant alleles

Answer

two capital letters

Answer

a lower-case and upper-case letter

Question 41

What is the definition of Heterozygous?

Accepted Answer

an organism with 2 different alleles

Answer

trait that shows

Answer

two recessive alleles

Answer

two dominant alleles

Question 42

What is the definition of a Dominant trait?

Accepted Answer

trait that always shows

Answer

the alternative forms of genes

Answer

trait that is there, but might not show

Answer

trait that doesn't show

Question 43

What is the definition of a recessive trait?

Accepted Answer

trait that doesn't show

Answer

trait that shows

Answer

trait that is there, but might show

Answer

the alternative forms of genes

Question 44

What is the definition of allele?

Accepted Answer

the alternative forms of genes

Answer

trait that is there, but might not show

Answer

the observable chracerisitcs of an organism

Answer

the non observable characteristics of an organism

Question 45

What do 2 capital letters mean?

Accepted Answer

Dominant

Answer

Allele

Answer

Heterozygous

Answer

Recessive

Question 46

What do 2 lowercase letters mean?

Accepted Answer

Recessive

Answer

Allele

Answer

Heterozygous

Answer

Dominant

Question 47

Which one shows heterozygous?

Accepted Answer

Aa

Answer

P.p

Answer

BB

Answer

tT

Question 48

blue eyes, curly hair

Accepted Answer

phenotype

Answer

genotype

Question 49

Tt, BB, rr

Accepted Answer

genotype

Answer

phenotype

Question 50

controls the trait; you only need one gene for the trait to show up in an organism

Accepted Answer

dominant

Answer

recessive

Question 51

the weaker trait; you need 2 genes for the trait to show up in an organism

Accepted Answer

recessive

Answer

dominant

Question 52

the different forms of a trait that make up a gene, R OR r

Accepted Answer

allele

Answer

dominant

Answer

recessive

Question 53

purebred; the same gene pair

Accepted Answer

homozygous

Answer

heterozygous

Question 54

hybrid; a different gene pair

Accepted Answer

heterozygous

Answer

homozygous

Question 55

TT, tt

Accepted Answer

homozygous

Answer

heterozygous

Question 56

the father of genetics

Accepted Answer

Gregor Mendel

Answer

James Watson

Answer

Robert Hooke

Answer

Reginald Punnett

Question 57

a tool used to predict the results from crossing 2 sets of allelles

Accepted Answer

Punnett square

Answer

microscope

Answer

Jawsome trapezoid

Question 58

Probability is the likelihood of an occurrence

Accepted Answer

True

Answer

False

Question 59

Carries genetic information. Found in the nucleus.

Accepted Answer

Chromosomes

Answer

DNA

Answer

Heredity

Answer

Allele

7th grade Genetics

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science