Quiz about Basic Genetics Quiz

Question 1

Which of these genotypes would be heterozygous?

Accepted Answer

Hh

Answer

DD

Answer

LL

Answer

rr

Question 2

Select all homozygous dominant genotypes shown below.

Accepted Answer

AA

Accepted Answer

TT

Answer

Aa

Answer

aa

Question 3

A possible version of a trait that can be inherited is called a(n)

Accepted Answer

allele

Answer

genotype

Answer

phenotype

Answer

chromosome

Question 4

Purple flowers are dominant to white flowers. What phenotype will be seen with the genotype Pp?

Accepted Answer

purple flowers

Answer

purple and white flowers

Answer

white flowers

Question 5

Left handedness is recessive in humans. With a genotype of Rr, will the person be right or left handed?

Accepted Answer

right handed

Answer

left handed

Question 6

Floppy ears are dominant in terrier dogs. What type of ears will a dog with the alleles FF have?

Accepted Answer

floppy ears

Answer

tall ears

Question 7

Which of the following is homozygous recessive?

Accepted Answer

gg

Answer

FF

Answer

Tt

Answer

Rr

Question 8

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?

Accepted Answer

Bb

Answer

BB

Answer

bb

Question 9

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?

Accepted Answer

Brown Hair

Answer

Blonde Hair

Answer

Brown and Blonde Hair

Answer

Black Hair

Question 10

Mary is homozygous recessive for freckles. If F for freckles, and f is for no freckles, what is Mary's genotype?

Accepted Answer

ff

Answer

FF

Answer

Ff

Question 11

If you are studying genetics, then

Accepted Answer

you are studying how traits are passed from parents to offspring

Answer

you are studying pea plants

Answer

you are studying how DNA is copied or replicated

Answer

you are studying animals

Question 12

The physical expression of a trait or "how can organism looks for a trait", is the

Accepted Answer

phenotype

Answer

chromosome

Answer

genotype

Answer

allele

Question 13

Allele that covers up or masks another form of that trait

Accepted Answer

dominant allele

Answer

recessive allele

Question 14

An allele that is covered up by another form of that trait; two copies are needed for it to be expressed

Accepted Answer

recessive allele

Answer

dominant allele

Question 15

A segment of DNA that controls a trait is known as a(n)

Accepted Answer

gene

Answer

chromosome

Answer

genotype

Answer

phenotype

Question 16

You inherit _ allele from each parent for every trait.

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 17

The actual alleles you inherit from your parents for a particular trait make up your _.

Accepted Answer

genotype

Answer

phenotype

Answer

chromosome number

Basic Genetics Quiz

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