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Genetics Review

Science

9th Grade

NGSS covered

Used 2+ times

Genetics Review
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26 questions

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1.

MATCH QUESTION

30 sec • 1 pt

Match the terms to the definition

Traits controlled by two or more genes

Genetics

When neither allele is dominant over the other and the phenotype is a mixture of the two alleles

Independent Assortment

Separation of alleles during gamete formation

Polygenic Traits

Genes for different traits can segregate independently during the formation of gametes

Segregation

The study of heredity

Incomplete Dominance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Different forms of a gene are called

Hybrids

Dominant factors

Alleles

Recessive factors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A Punnett square is used to determine

Probable outcomes of a cross

Actual outcome of a cross

Result of mitosis

Result of meiosis

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the dimensions of a Punnett square for the cross Ww x ww?

4x4

2x1

2x2

2x3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Organisms that have two identical alleles for a particular trait are said to be

Hybrid

Heterozygous

Homozygous

Dominant

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A situation in which a gene has more than two alleles is known as

Complete dominance

Codominance

Polygenic dominance

Multiple alleles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two pink flowering plants are crossed. The offspring flower as follows: 25% red, 25% white, and 50% pink. What pattern of inheritance do the flowers follow?

Dominance

Multiple alleles

Incomplete dominance

Polygenic traits

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