A monohybrid cross can be best described as

a cross among one pair of contrasting traits.

a cross among two pairs of contrasting traits.

a cross to test if an individual carries one or two dominant alleles.

Alleles of different genes separate independently of one another during gamete formation is best described as:

Mendel’s law of independent assortment.

Mendel’s law of allelic frequency.

In order to ensure that your answer for #13 was guaranteed, Mendel would often perform a(n) ________, which can be best described as _________.

test cross; breeding an unknown genotype to a homozygous recessive individual

analysis; breeding an unknown genotype to a heterozygous individual

test cross; breeding an unknown genotype to a homozygous dominant individual

analysis; self-fertilizing the individual and analyzing the offspring

Because the gene for red-green colorblindness is located on the X chromosome, it is not possible for

a colorblind father to pass the gene onto his son.

a carrier mother to pass the gene on to daughter.

a carrier mother to pass the gene on to her son.

a colorblind father to pass the gene onto his daughter.

Based on the pedigree above, what can you infer about II-2’s parents?

they are both carriers of the trait

they are both homozygous dominant

In humans, freckles are encoded by a dominant allele. An individual woman is heterozygous for freckles. According to the law of segregation, which of the following would apply to a child of this woman?

The child has an equal chance of inheriting the dominant allele or the recessive allele for freckles from her mother.

The child must inherit the dominant allele for freckles.

The child must inherit the recessive allele for freckles.

The child has a greater chance of inheriting the dominant allele than the recessive allele for freckles from her mother.

There was a mix up at the nursery between two families, the Pages and the Bakers. You must determine which baby belongs to the correct family based on their blood types.

Baby 1 belongs to Mr. and Mrs. Page. Baby 2 belongs to Mr. and Mrs. Baker.

Baby 1 belongs to Mr. and Mrs. Baker. Baby 2 belongs to Mr. and Mrs. Page.

People who are tune deaf are unable to follow a rhythm. Scientists have evidence that tune deafness can be genetic. The pedigree below traces the inheritance of tune deafness in a family. Individuals in the pedigree are numbered. Scientists have analyzed the inheritance patterns for tune deafness and have concluded that tune deafness is caused by an autosomal dominant allele, T. Which piece of evidence supports the statement that tune deafness is autosomal dominant, not autosomal recessive.

It does not skip any generations and two affected parents have unaffected children.

It does skip generations and two affected parents have unaffected children.

It does not skip any generations and two unaffected parents have affected children.

It does skip generations and two unaffected parents have affected children.

What does a Punnett Square determine?

all the outcomes of a genetic cross

all of Mendel's discoveries about genetic crosses

only the recessive allele combinations

only the dominant allele combinations

Genetics Test 2023

Authored by Kayla Raines

Science

10th Grade

NGSS covered

Used 15+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Different forms of genes are called

traits

alleles

monohybrid crosses

gametes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The physical appearance of an organism is called its

assortment

genotype

phenotype

recessive

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If two alleles are the same, they are said to be

homozygous

heterozygous

dominant

recessive

If one form of a gene can overpower or mask another form, it is

dominant

recessive

homozygous

heterozygous

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mendel’s law of segregation states that the two alleles for a given trait:

combine during meiosis (gamete formation)

separate at meiosis

are eliminated during meiosis

are tripled during meiosis

A trait controlled by four alleles is said to have

homologous alleles

autosomes

hybridization

multiple alleles

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Eggs and sperm are both examples of ____________.

alleles

gametes

monohybrid crosses

offspring

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Genetics Test 2023

Different forms of genes are called

The physical appearance of an organism is called its

If two alleles are the same, they are said to be

If one form of a gene can overpower or mask another form, it is

Mendel’s law of segregation states that the two alleles for a given trait:

A trait controlled by four alleles is said to have

Eggs and sperm are both examples of ____________.

A monohybrid cross can be best described as

The genetic makeup of an individual is its ___________________.

Alleles of different genes separate independently of one another during gameteformation is best described as:

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Alleles of different genes separate independently of one another during gamete
formation is best described as: