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Genetics Quiz

Authored by Natalie Smith

Biology

9th Grade

Used 1+ times

Genetics Quiz
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a monohybrid cross?

A cross between individuals that involves one pair of contrasting traits.

A cross between individuals that involves two pairs of contrasting traits.

A cross between individuals that involves multiple pairs of contrasting traits.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the P generation in genetics?

The first generation of offspring obtained from an experimental cross.

The second generation of offspring obtained from an experimental cross.

The first two individuals that mate in a genetic cross.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the law of segregation?

Mendel's law that states that genes separate independently of one another in meiosis.

Mendel's law that states that the pairs of homologous chromosomes separate in meiosis so that only one chromosome from each pair is present in each gamete.

The likelihood that a possible future event will occur in any given instance of the event.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a test cross in genetics?

The crossing of an individual of unknown genotype with a recessive individual to determine the unknown genotypes.

A diagram that shows the occurrence of a genetic trait in several generations of a family.

A condition in which both alleles for a gene are fully expressed.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are sex-linked traits?

A trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome or the Y chromosome.

A characteristic of an organism that is determined by many genes.

A condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a phenotype in genetics?

The physical and physiological traits of an organism, which are determined by its genetic makeup.

The genetic makeup, or set of genes, in an organism.

The first two individuals that mate in a genetic cross.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a genotype in genetics?

The physical and physiological traits of an organism, which are determined by its genetic makeup.

The genetic makeup, or set of genes, in an organism.

The first two individuals that mate in a genetic cross.

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