Unti 4-5 Genetics

Question 1

_____________ contain two X chromosomes

___________ contain a X and Y chromosomes

Answer 1

Females

Males

Question 2

A ______________ trait hides a ____________ trait

Answer 2

Dominant

Recessive

Question 3

A __________ condition has the same alleles

Answer 3

Homozygous

Question 4

T or F

Less males than females have red green color blindness.

Answer 4

False

Question 5

Tallness is the ________ for TT

Answer 5

Phenotype

Question 6

In order to be affected by color blindness, a female must inherit ____ alleles for the disease.

Answer 6

2

Question 7

_____________ material passes from parent to offspring during reproduction.

Answer 7

Heredity

Question 8

Physical characteristics of an organism are called _______

Answer 8

Traits

Question 9

___________ is the study of how traits are passed from parent to parent

Answer 9

Genetics

Question 10

Each gene of a gene pair is called an _______

Answer 10

Allele

Question 11

What is the difference between a dominant trait and a recessive trait?

Answer 11

Dominant trait hides a recessive one
Dominant trait has one or two copies of the allele to show up
And recessive needs two alleles for it to show up.

Question 12

Where are genes located?

Answer 12

Chromosomes

Question 13

What is the relationship between genes and chromosomes?

Answer 13

Genes are segments of DNA located in the chromosomes of each cell

Question 14

A _________ _________ is used to illustrate how allele of parents might be passed on to their offspring.

Answer 14

Punned square

Question 15

A __________ is a diagram of family relationships that includes several generations.

Answer 15

Pedigree

Question 16

Why are more males color blind than females?

Answer 16

Males only need one allele from the mother to be color blind, while females need an allele from both the mother and father

Question 17

Blood type is an example of a trait inherited through _________ ______

Answer 17

Multiple alleles

Question 18

Hemophilia is an example of a _______ _________ disorder.

Answer 18

Sex-linked

Question 19

Height, hair color, eye color, and skin color result from _________________________.

Answer 19

Polygenic inheritance ( or multiple alleles )

Question 20

A red flowering plant is crossed with a white flowering plant to produce pink flowering plants. This is an example of _________

Answer 20

Incomplete dominance.

Question 21

_________ _____________ results when the phenotype of the heterozygous is an intermediate between the phenotype of the homozygous plant.

Answer 21

Incomplete dominance

Question 22

An organism that had t who of the same allele for a trait is considered to be ________ or _______

Answer 22

Homozygous or purebread

Question 23

The study of how a gene affects he traits of an offspring is called ____________.

Answer 23

Genetics

Question 24

The only way a ___________ trait can show up in a phenotype is if the allele in the genotype are the same.

Answer 24

Recessive.

Question 25

_________ ________ occurs when groups of gene pairs act together to produce a single trait.

Answer 25

Polygenic inheritance

Question 26

___________ ________ occurs when more than two allele exist for a trait.

Answer 26

Multiple allele

Question 27

Pedigree What does the square, circle mean. What's the difference between the shaded and non shaded and half shaded

Answer 27

``` Person is male Person is female Has the trait/ disorder They don't have it They are carriers ```

Question 28

Involves the child's brain and nervous system deteriorating and has no known treatment

Answer 28

Yay Sachs

Question 29

Causes red blood cells to be present shaped which can cause the red blood cells to stick to blood vessels

Answer 29

Sickle cell

Question 30

Causes an inability in the body to break down phenylalanine and has a treatment in which involves a little portion diet (PKU)

Answer 30

Phenylketonuria

Question 31

Hey symptoms that include week connective tissue's in the heart and Skelton enlarged aorta, curved Spine and dislocated eye lenses.

Answer 31

Marian syndrome

Question 32

Usually has its own set during middle age and has symptoms including mood swings irritability memory loss and uncontrolled movements

Answer 32

Huntington disease.

Question 33

Causes blood not to clot

Answer 33

Hemophilia

Question 34

Has symptoms including mental retardation flattened face and nose protruding tongue and slanted eyes

Answer 34

Down syndrome

Question 35

Is a recessive disorder that causes lung problems

Answer 35

Cystic fibrosis

Question 36

A different version of a gene

Answer 36

Alleles

Question 37

Both alleles in a heterozygous individual contribute to the phenotype

Answer 37

Codominance

Question 38

The allele contribute to the phenotype if one or two of the copies are present in the genotype. Cover or mask the appearance of the other allele for that trait

Answer 38

Dominant

Question 39

Segments of DNA found in chromosomes that give instructions for producing a certain characteristic

Answer 39

Genetics

Question 40

The combination of alleles that you inherit from your parents

Answer 40

Genotype

Question 41

The passing of genetic material from parent to offspring

Answer 41

Heredity

Question 42

To have different alleles | Hybrid

Answer 42

Heterozygous

Question 43

Same alleles | Pure

Answer 43

Homozygous

Question 44

Each allele in a heterozygous individual influences the phenotype

Answer 44

Incomplete dominance

Question 45

More than two alleles exist for a trait

Answer 45

Multiple alleles

Question 46

Traces the occurrence of a trait through generations of a family

Answer 46

Pedegree

Question 47

Your observable traits

Answer 47

Phenotype

Question 48

Groups of gene pairs act together to produce a single trait

Answer 48

Polly genic inheritance

Question 49

Graphic used to predict the possible genotypes of offspring in a given cross

Answer 49

Punnets square

Question 50

Homozygous to dominant or to recessive

Answer 50

Purebred

Question 51

Alleles contribute to the phenotype if both copies of it are present our scene only one both alleles are ___________.

Answer 51

Recessive

Question 52

A special class of inherited disorders that are associated with an allele on a sex chromosome

Answer 52

Sex linked gene