1.How many copies of each chromosome does a cell have if it is haploid? a.1 2 3

Question

1.How many copies of each chromosome does a cell have if it is haploid?

a.1

2

3

d.4

2.Eukaryotic chromosomes are composed of

circular DNA with no proteins

circular DNA with proteins

linear DNA with no proteins

linear DNA with proteins

3.

Which of the below cells would you expect to undergo mitosis?

a bacterial cell

an adult human brain cell

a brain cell in a human embryo

the cells in testes that turn in to sperm.

a.1

b.

2

c.

3

a.

d.4

2.Eukaryotic chromosomes are composed of

circular DNA with no proteins

b.

circular DNA with proteins

c.

linear DNA with no proteins

d.

linear DNA with proteins

Explanation / Answer

1. The answer is a. 1

Haploid cell contains only one copy of each chromosome. As for example gamette cells contains 22 Autosome + 1 sex chromosome where as a somatic(diploid) cell contains 44 Autosome + 2 sex chromosomes.

2. d. linear DNA with proteins

Eukaryotic chromosome is composed of DNA and a basic protein called histones,

3. c a brain cell in a human embryo

Because bacterial cell undergoes binary fission, conjugation etc.

Adult human brain cell dose not divide it just differentiates.

And cells in testes undergoes meiosis.

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