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Laabri

Copy of MOD Genetics Test Review 2026 (5/2/2026)

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Last updated about 2 hours ago
21 Nsɛmmisa
Warm Up
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Test Review
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B.C.6F
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B.C.6F
BIO.8.B
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B.C.6F
BIO.8.B
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

A model of the color patterns in rabbits is shown below.

Which Punnett square will produce a 50% spotted and a 50% white coat rabbits?

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2.

If some traits are dominant and some are recessive, how do we see both traits in the population?

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3.

In cats the allele for a black coat color (B) is dominant over the allele for a white coat color (b).

If a homozygous dominant black cat is crossed with a heterozygous black cat, which of the following genotypic ratios can be expected?

In cats, yellow eyes are dominant to green eyes.

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4.

In cats, yellow eyes are dominant to green eyes.

Dominant allele =

recessive allele =

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5.

In cats, yellow eyes are dominant to green eyes.

A cat is homozygous dominant for this trait.

genotype -

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6.

In wasps, stinger shape is has two different alleles. The allele for a pointed stinger is (P) and the allele for round stinger is (p).

When two heterozygous wasps are crossed, what percentage of their offspring is expected to be homozygous for round stinger?

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7.

In pigs coat color is determined by codominance. Possible phenotypes and genotypes of coat colors are shown below.

Which table shows the expected phenotypes of offspring resulting from a cross between a brown-white pig and another brown-white pig?

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8.

What are the blood types of the possible children that a man with type AB could produce with a woman who is type AB?

Select all that apply

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9.

A genetic cross involving two unlinked genes is represented.

GgSS x ggSs

Which genotype is NOT possible in the offspring produced by the cross?

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10.

In sea turtles, a ridged shell (R) is dominant over a smooth shell (r), and green colored skin (G) is dominant over brown colored skin (g).

What is the expected phenotypic ratio of the offspring of an RrGg x RrGg cross?

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11.

Match the vocabulary terms with their definition.

Draggable itemarrow_right_altCorresponding Item

Phenotype

arrow_right_alt

An allele that is represented by an uppercase letter (Big Letter)

Dominant Allele

arrow_right_alt

An allele that is represented by an lowercase letter (small Letter)

Genotype

arrow_right_alt

The physical trait a person shows.

Example: red hair

Recessive Allele

arrow_right_alt

The two alleles (letters) combination for a given trait

Example: BB, Bb, or bb

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12.

In cocker spaniels the allele for a black coat color (B) is dominant over the allele for a brown coat color (b).

If a homozygous recessive brown cocker spaniel is crossed with a heterozygous black cocker spaniel, which of the following genotypic ratios can be expected?

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13.

In the cross below, what are the genotypes of the parents?

Mmuae Afoforo a Wobɛpaw:

h

H

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14.

In dogs, having furnishings (F) is dominant to not having furnishing (f). Jose's dog has no furnishings (ff).

The appearance of a recessive trait (no furnishings) in an animal’s offspring most likely means that…

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15.

Cystic fibrosis is considered a recessive genetic disorder (c). A person must inherit two recessive alleles of a mutated gene (one from each parent) to develop the disease.

Normal condition is dominant (C) to having Cystic Fibrosis (c).

Which circle graph shows the genotype probability when a female with Cystic Fibrosis mates with a male that is homozygous dominant?

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16.

In tigers, whiskers length can either be short or long. The allele for long whiskers (L) is dominant to short whiskers (l).

If a female tiger that has short whiskers mates with a male tiger that is homozygous dominant, what percent of their offspring will likely have long whiskers?

Enter your answer in the box. Your answer must be a whole number.

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17.

The inheritance pattern for an autosomal recessive trait is shown in the pedigree. Shaded symbols represent individuals that express the recessive (small) trait.

Identify the genotypes for individuals 1 and 2 in the first generation.

In humans, having dimples (D) is dominant to no dimples (d). Gina is hybrid (heterozygous) for having dimples and her husband is heterozygous for the trait.

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18.

Which of the following represents the parents?

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20.

What are the blood types of the possible children that a woman with type O could produce with a man who is type B?

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21.

Cystic fibrosis is an autosomal recessive disorder that impacts the ability of the lungs to remove mucus. The figure shows a family affected by Cystic fibrosis.

What is the probability that Child 1 will have Cystic fibrosis?

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19.

When a heterozygous dimpled man mates with a heterozygous dimpled woman, what is the expected outcome of their children?