Quiz about Punnett Squares

Question 1

Gene variations from person to person is a(n)

Accepted Answer

Allele

Answer

Gene

Answer

Exome

Question 2

Underlying instructions (alleles present)

Accepted Answer

Genotype

Answer

Phenotype

Answer

Gene pool

Question 3

Gene expression (physical)

Accepted Answer

Phenotype

Answer

Mutation

Answer

Genotype

Question 4

A _____ allele has an effect when present in just one copy (on one chromosome)

Accepted Answer

Dominant

Answer

Recessive

Answer

Multifactorial

Question 5

The alleles for green hair is Gg. The phenotype is

Accepted Answer

Green hair

Answer

Gg

Question 6

This chart is called a:

Accepted Answer

Punnett Square

Answer

Pedigree

Answer

Karyotype

Question 7

The first generation in a genetic cross is the parental generation, or:

Accepted Answer

F1

Answer

F2

Answer

F3

Question 8

A _____ allele must be present on both chromosomes of a pair to be expressed

Accepted Answer

Recessive

Answer

Dominant

Answer

Multifactorial

Question 9

The alleles for green hair is Gg. The genotype is

Accepted Answer

Gg

Answer

Green hair

Question 10

Offspring that inherit a different gene variant (allele) from each parent

Accepted Answer

Hybrid

Answer

Mutation

Answer

F3 generation

Question 11

The masked trait is:

Accepted Answer

Recessive

Answer

Dominant

Question 12

Any individual with two identical alleles for a gene is ____ for that gene

Accepted Answer

Homozygous

Answer

Heterozygous

Question 13

An individual with two different alleles is _____ for that gene

Accepted Answer

Heterozygous

Answer

Homozygous

Question 14

If both alleles are recessive, the individual is homozygous recessive, shown with

Accepted Answer

2 lowercase letters

Answer

1 capital and 1 lowercase letter

Answer

2 capital letters

Question 15

An individual with two dominant alleles is homozygous dominant and has

Accepted Answer

2 capital letters

Answer

1 capital and 1 lowercase letter

Answer

2 lowercase letters

Question 16

1 dominant and 1 recessive allele indicates a heterozygote has

Accepted Answer

1 capital and 1 lowercase letter

Answer

2 capital letters

Answer

2 lowercase letters

Question 17

___ represents how genes in gametes join if they are on different chromosomes

Accepted Answer

Punnett Square

Answer

Pedigree

Answer

Karyotype

Question 18

What is the phenotypic rule for a heterozygous crossed with another heterozygous in a dihybrid cross?

Accepted Answer

9:3:3:1

Answer

1:2:3:4

Answer

4:4:3:9

Question 19

How many traits does a dihybrid look at?

Accepted Answer

2

Answer

1

Punnett Squares

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