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new biology 2 > genetics > Flashcards

genetics Flashcards

1
Q

Complete the following sentence: The two strands in a DNA molecule are held together by …

covalent bonds

hydrogen bonds

ionic bonds

peptide bonds

metallic bonds

A

hydrogen bonds

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2
Q

Complete the following sentence: The term haploid refers to cells that have …

23 chromosomes

46 chromosomes

2 nuclei

undergone mitosis

abnormal chromosomes

A

23 chromosomes

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3
Q

Which DNA base forms a complementary pair with adenine (A)?

Adenine (A)

Thymine (T)

Guanine (G)

Cytosine (C)

Uracil (U)

A

Thymine (T)

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3
Q

Which DNA base forms a complementary pair with adenine (A)?

Adenine (A)

Thymine (T)

Guanine (G)

Cytosine (C)

Uracil (U)

A

Thymine (T)

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4
Q

Complete the following sentence: The presence of an extra chromosome in a diploid cell is called…

trisomy

point mutation

nondisjunction

teratogenic transmission

mosaicism

A

trisomy

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5
Q

Complete the following sentence: The presence of an extra chromosome in a diploid cell is called…

trisomy

point mutation

nondisjunction

teratogenic transmission

mosaicism

A

trisomy

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6
Q

Complete the following sentence: Meiosis is a type of cell division that occurs in the…

bone marrow

reproductive organs

skin

lymphatic tissue

kidney

A

reproductive organs

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7
Q

Complete the following sentence: If an allele must be present on both the maternal and paternal chromosomes to be expressed within the phenotype of the offspring it is said to be…

polygenic

recessive

complementary

dominant

heterozygous

A

recessive

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7
Q

Complete the following sentence: If an allele must be present on both the maternal and paternal chromosomes to be expressed within the phenotype of the offspring it is said to be…

polygenic

recessive

complementary

dominant

heterozygous

A

recessive

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8
Q

Complete the following sentence: Genes are functional regions found within molecules of…

adenosine triphosphate (ATP)

ribonucleic acid (RNA)

proteins

deoxyribonucleic acid (DNA)

triglyceride

A

deoxyribonucleic acid (DNA)

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9
Q

Which of the following statements is TRUE?

The location of a gene on a chromosome is its locus

Autosomal recessive conditions are carried on the Y chromosome

Somatic cells are produced by meiosis

Dominant genes are only expressed in the heterozygous state

A permanent change in the DNA is called a codon

A

The location of a gene on a chromosome is its locus

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9
Q

Which of the following statements is TRUE?

The location of a gene on a chromosome is its locus

Autosomal recessive conditions are carried on the Y chromosome

Somatic cells are produced by meiosis

Dominant genes are only expressed in the heterozygous state

A permanent change in the DNA is called a codon

A

The location of a gene on a chromosome is its locus

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10
Q

Complete the following sentence: DNA contains…

a deoxyribose sugars.

three coding strands.

amino acids formed from hydrolysis.

metallic bonds between complementary bases.

Argon (Ar) and Uracil (U).

A

a deoxyribose sugars.

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10
Q

Complete the following sentence: DNA contains…

a deoxyribose sugars.

three coding strands.

amino acids formed from hydrolysis.

metallic bonds between complementary bases.

Argon (Ar) and Uracil (U).

A

a deoxyribose sugars.

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11
Q

Complete the following sentence: The complementary strand of the following DNA sequence ‘AAT AGG CCC’ would be …

‘TTA TCC GGG’.

‘GGG CCT ATT’.

‘AAT AGG CCC’.

‘UUG UTT AAA’.

‘GGC GAA TTT’.

A

‘TTA TCC GGG’.

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11
Q

Complete the following sentence: The complementary strand of the following DNA sequence ‘AAT AGG CCC’ would be …

‘TTA TCC GGG’.

‘GGG CCT ATT’.

‘AAT AGG CCC’.

‘UUG UTT AAA’.

‘GGC GAA TTT’.

A

‘TTA TCC GGG’.

12
Q

Which of the following statements are TRUE?

DNA is single stranded.

DNA forms the inherited genetic material in all eukaryotic cells.

In a non-dividing cell most of the DNA is found in the endoplasmic reticulum.

Members of the same family will have identical genes.

DNA can be converted to energy in the ribosome.

A

DNA forms the inherited genetic material in all eukaryotic cells.

12
Q

Which of the following statements are TRUE?

DNA is single stranded.

DNA forms the inherited genetic material in all eukaryotic cells.

In a non-dividing cell most of the DNA is found in the endoplasmic reticulum.

Members of the same family will have identical genes.

DNA can be converted to energy in the ribosome.

A

DNA forms the inherited genetic material in all eukaryotic cells.

13
Q

Complete the following sentence: The term diploid refers to human cells that contain…

the full complement of chromosomes (46 chromosomes).

mitochondrial DNA in the paternal genes.

half the number of chromosomes than the parent cell.

additional chromosomes.

mutations in one or more of the autosomes.

A

the full complement of chromosomes (46 chromosomes).

14
Q

Which of the following statements is TRUE?

Messenger RNA (mRNA) is double stranded

Translation takes place on the mitochondria

The genotype can be determined by DNA sequencing

A karyotype refers to the physical expression of the gene

DNA is mainly found in the cytoplasm of a non-dividing cell

A

The genotype can be determined by DNA sequencing

new biology 2 (11 decks)

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