Biology 10( Genetics and Punnett squares)
UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is DNA? - CORRECT ANSWER - deoxyribonucleic acid, double stranded
What are the basic building blocks of nucleic acids? - CORRECT ANSWER - Nucleotides
are the basic building blocks
What is RNA? - CORRECT ANSWER - ribonucleic acid. single stranded DNA. contains
uracil instead of thymine
What are complementary bases for DNA? - CORRECT ANSWER - Adenine, Thymine,
Guanine, Cytosine
What role does DNA play in a cell? - CORRECT ANSWER - store genetic information
What is a chromatin? - CORRECT ANSWER - DNA molecules that are tightly coiled
around proteins call histones.
What are the complementary bases for RNA? - CORRECT ANSWER - A, U, C, G
What is the complete DNA sequence in an organism called? - CORRECT ANSWER -
Genome
What are daughter cells? - CORRECT ANSWER - The two new cells that are formed
through mitosis and are identical to the parent cell.
, How is one strand of DNA connected to a complementary strands? - CORRECT
ANSWER - Held together by hydrogen bonds.
What are the 3 main things that make up nucleotide? - CORRECT ANSWER - Phosphate
group, sugar( deoxyribose) and complementary bases
How many chromosomes do humans have? - CORRECT ANSWER - 46 (23 pairs)
What is an allele? - CORRECT ANSWER - Different forms of a gene
What are homologous chromosomes? - CORRECT ANSWER - Two genetically similar
chromosomes, one from each parent
What is a karyotype? - CORRECT ANSWER - picture of chromosomes
What does a karyotype show? - CORRECT ANSWER - the complete diploid set of
chromosomes grouped together in pairs, arranged in order of decreasing size
How many chromosomes does someone with down syndrome have? - CORRECT
ANSWER - 47
Where is DNA found? - CORRECT ANSWER - nucleus of a cell
What is a chromosome? - CORRECT ANSWER - a long continuous thread of DNA that
consists of numerous genes
What is a gene? - CORRECT ANSWER - segment of DNA that codes for a protein
UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is DNA? - CORRECT ANSWER - deoxyribonucleic acid, double stranded
What are the basic building blocks of nucleic acids? - CORRECT ANSWER - Nucleotides
are the basic building blocks
What is RNA? - CORRECT ANSWER - ribonucleic acid. single stranded DNA. contains
uracil instead of thymine
What are complementary bases for DNA? - CORRECT ANSWER - Adenine, Thymine,
Guanine, Cytosine
What role does DNA play in a cell? - CORRECT ANSWER - store genetic information
What is a chromatin? - CORRECT ANSWER - DNA molecules that are tightly coiled
around proteins call histones.
What are the complementary bases for RNA? - CORRECT ANSWER - A, U, C, G
What is the complete DNA sequence in an organism called? - CORRECT ANSWER -
Genome
What are daughter cells? - CORRECT ANSWER - The two new cells that are formed
through mitosis and are identical to the parent cell.
, How is one strand of DNA connected to a complementary strands? - CORRECT
ANSWER - Held together by hydrogen bonds.
What are the 3 main things that make up nucleotide? - CORRECT ANSWER - Phosphate
group, sugar( deoxyribose) and complementary bases
How many chromosomes do humans have? - CORRECT ANSWER - 46 (23 pairs)
What is an allele? - CORRECT ANSWER - Different forms of a gene
What are homologous chromosomes? - CORRECT ANSWER - Two genetically similar
chromosomes, one from each parent
What is a karyotype? - CORRECT ANSWER - picture of chromosomes
What does a karyotype show? - CORRECT ANSWER - the complete diploid set of
chromosomes grouped together in pairs, arranged in order of decreasing size
How many chromosomes does someone with down syndrome have? - CORRECT
ANSWER - 47
Where is DNA found? - CORRECT ANSWER - nucleus of a cell
What is a chromosome? - CORRECT ANSWER - a long continuous thread of DNA that
consists of numerous genes
What is a gene? - CORRECT ANSWER - segment of DNA that codes for a protein
