Genetics2017.18

Genetics2017.18

9th Grade

•

34 Qs

quiz-placeholder

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Genetics2017.18

Genetics2017.18

Assessment

Quiz

•

Biology

•

9th Grade

•

Hard

Created by

Joann Crawford

Used 34+ times

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34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cell has 12 chromosomes. After meiosis, how many chromosomes will each daughter cell have?

4

6

12

24

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes meiosis?

It is carried out in all tissues that require cell replacement.

It occurs only in germ cells located in the reproductive structures of an organism.

It happens in all tissues except the brain and spinal chord.

It is the first stage of mitosis.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Crossing over results in a _____.

female genotype

male genotype

genetic recombination

phenotype replication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram above shows homologous chromosomes during prophase I of meiosis. Which of the following correctly describes the process being illustrated?

mutation in which the DNA content of the gene is altered

segregation of sister chromatids

condensation and segregation of alleles

alleles are exchanged

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The exchange of segments of DNA between homologous chromosomes

ensures that variation within a species never occurs.

acts as a source of variations within a species.

always produces genetic disorders.

is called crossing.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A haploid cell is one that

has two homologues of each chromosome.

is designated by the symbol n.

has chromosomes found in pairs.

does not exist

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The numbers in Figure 10-1 represent the chromosome number found in each of the dog cells shown. The processes that are occurring at A and B are _____.

mitosis and fertilization

meiosis and fertilization

mitosis and pollination

meiosis and pollination

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