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Biology Unit 4 review

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

List the stages of prophase in order

a)

Prophase, Anaphase, Metaphase, Telophase

b)

Prophase, Metaphase, Anaphase, Telophase

c)

Telophase, Anaphase, Metaphase, Prophase

d)

Anaphase, Prophase, Metaphase, Anaphase

2.

Which of the following statements is NOT correct about mitosis in plant and animal cells?

a)

Spindle fibers appear in both plant and animal cell mitosis

b)

Asters are seen in animal but not plant cell mitosis

c)

Cell furrowing occurs in animal but not plant cell mitosis

d)

Centrioles are seen in animal but not plant cell mitosis

e)

A cell plate is formed in animal cells but not in plant cells during cytokinesis

3.

Which of the following cells, when combined, will result in a diploid fertilized egg?

a)

sperm cell plus a polar body spermatid plus an egg cell

b)

sperm cell plus a primary oocyte Selected

c)

sperm cell plus an egg cell

d)

spermatid plus a primary oocyte

e)

spermatid plus an egg cell

4.

Humans have a life cycle that requires two types of cell division: meiosis and mitosis

a)

True

b)

False

5.

Cell cycle checkpoints are critical for ______

a)

extending cytokinesis

b)

preventing replication of chromosomes

c)

encouraging cell growth

d)

preventing cancer development

6.

The diploid chromosome number for the house fly is 12. The haploid number of chromosomes found in their gametes would be ______

a)

1

b)

24

c)

12

d)

6

7.

When does DNA replication occur in the cell cycle?

a)

telophase

b)

prophase

c)

metaphase

d)

interphase

8.

Which structure within a cell brings about chromosomal movement?

a)

mitochondria

b)

spindle fibers

c)

golgi apparatus

d)

centromeres

9.

During which stage will daughter chromosomes move toward opposite poles of the spindle?

a)

Prophase

b)

Metapahse

c)

Anaphase

d)

Telophase

10.

Correctly sequence the stages of the life cycle of human beings, beginning with haploid egg and sperm

a)

haploid egg + haploid sperm, diploid zygote, mitosis,diploid adult,meiosis, haploid gametes

b)

haploid egg + haploid sperm, diploid zygote, meiosis, haploid gametes, mitosis, diploid adult

11.

When homologous chromosomes come together and line up side by side in Prophase I, it is termed ______. (Choose the BEST answer).

a)

meiosis

b)

crossing-over

c)

mitosis

d)

synapsis

e)

replication

12.

Homologous chromosomes only pair with one another during meiosis.

a)

true

b)

false

13.

Alternate forms of a gene having the same position on a pair of chromosomes and affecting the same trait are called ______

a)

loci

b)

chromatids

c)

alleles

d)

genotypes

e)

mutations

14.

The expected ratio for a monohybrid cross is _______

a)

9:3:3:1

b)

3:1

c)

12:6:6:4

d)

2:1

15.

Which of the following terms refers to the alleles that the chromosomes carry that are responsible for a specific trait?

a)

homologous

b)

phenotype

c)

genotype

d)

linkage

16.

Biologists conclude that all behavioral traits are partly inheritable and that genes exert their effects by acting together in complex combinations susceptible to ________.

a)

environmental influences

b)

genetic influences

c)

number of chromosomes

d)

allelic influences

17.

For an autosomal recessive disorder to appear, inheritance of ___________ allele(s) is required

a)

two recessive

b)

two dominant

c)

one dominant and one recessive

d)

one recessive

18.

According to Mendel, the genetic factors ______ during the formation of the gametes

a)

express

b)

disappear

c)

duplicate many times

d)

segregate

e)

combine or fuse

19.

The members of each allelic pair separate during _________

a)

mitosis

b)

meiosis

c)

fertilization

d)

hybridization

e)

meiosis or mitosis

20.

Independent ______ occurs because each pair of homologous chromosomes separate independently of the others

a)

linkage

b)

assortment

c)

differentiation

d)

conjugation

e)

segregation

21.

If any of the offspring of a two-trait testcross has a recessive phenotype, the parent with the dominant phenotype must be ______ for that trait

a)

missing genes

b)

homozygous recessive

c)

dominant

d)

homozygous

e)

heterozygous

22.

When a trait is governed by two or more sets of alleles, it is called _____ inheritance

a)

incomplete

b)

polyphenotypic

c)

codominant

d)

dihybrid

e)

polygenic

23.

ABO alleles determine the presence or absence of ______ on the red blood cells

a)

hemoglobins

b)

antibodies

c)

antigens

d)

plasma membranes

e)

nuclei

24.

A chart of a family's history with regard to a particular trait is called a ______

a)

pedigree

b)

linkage map

c)

x-linked chart

d)

inheritance chart

25.

Genetic disorders, including Marfan syndrome are characterized by this inheritance pattern

a)

autosomal dominant disorders

b)

autosomal recessive disorders

c)

x-linked disorders

26.

____________ occurs when the heterozygote is intermediate between the two homozygotes

a)

incomplete dominance

b)

polygenic inheritance

c)

multiple allele inheritance

d)

codominance