Unit 4 Review

Multiple Choice

How many alleles do you inherit from EACH parent for a specific trait?

• 1

• 2

Multiple Choice

TRANSCRIBE this DNA sequence: TACGTTACT

• AUGCAAUGA

• ATGCAATGA

• AUGGATUGA

• TACGTTACT

Multiple Choice

The process to go from DNA to mRNA is _______

• translation

• transcription

• replication

Multiple Choice

Which two processes are involved in protein synthesis?

• Replication and Transcription

• Replication and Translation

• Transcription and Translation

Multiple Choice

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Multiple Choice

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Multiple Choice

Mutations can be...

• Harmful

• Beneficial

• Neutral

• All of the Above

Multiple Choice

What is a type of Mutation?

• Deletions

• Insertions

• Base Substitutions

• All of the Above

Multiple Choice

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

• no mutation
• substitution
• insertion
• deletion

Multiple Choice

In this type of point mutation, one base pair is lost

• substitution

• insertion

• deletion

• translocation

Multiple Choice

In this type of point mutation, one extra base pair is inserted into a sequence of DNA

• substitution

• insertion

• deletion

• translocation

Multiple Choice

This type of mutation is possible because certain codons may code for the same amino acid

• silent

• missense

• nonsense

• 6th sense

Multiple Choice

Which of the following would result in a frameshift mutation?

• Insertions only

• Substitution only

• Deletion only

• Insertions and Deletions

Multiple Choice

Trisomy 21 means you have what?

• Three copies of chromosome 21

• Twenty one copies of chromosome 3

• Three omies and 21 means

• Two copies of chromosome 21

Multiple Choice

The physical expression of a trait is called the ...

• genotype

• phenotype

Multiple Choice

Segments of DNA that code for traits are called ....

• genes

• proteins

• alleles

Multiple Choice

Genotype: TT

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Multiple Choice

Genotype: Aa

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Multiple Choice

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?

• 1/4

• 2/4

• 3/4

• 4/4

Multiple Choice

The trait or allele that is expressed when only one is present is called the ___________ trait.

• dominant

• recessive

Multiple Choice

The different forms or versions of a gene are called ...

• alleles

• gametes

Multiple Choice

Genotype: rr

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Multiple Choice

Chromosomes carry ________ which express specific traits.

• genes

• information

• DNA

• all of the above.

Multiple Choice

Sex chromosomes are different in male and female. Which statement is correct?

• Males are XX and Females are XY.

• Males are ii and Females are XX.

• Males are XY and Females are XX.

• Males are XY and Females are ii.

Multiple Choice

What is this?

• Hydrogen bonds

• Cytosine

• A nucleotide

• Nucleic acid

Multiple Choice

Which has a single strand of nucleotides?

• DNA

• RNA

Multiple Choice

What is a gene ?

• Certain points on nucleotides

• A section of DNA that has instructions to code for a protein

• Single strands of nucleotides

Multiple Choice

Where does DNA replication take place?

• Meosis

• Mitosis

• Interphase

• S phase of interphase

Multiple Choice

What is protein synthesis

• Copies the instructions

• The process of reading instructions in DNA to make a polypeptide

• Instructions located in the DNA

Multiple Choice

What is a polypeptide

• make up the ribosomes

• A chain of amino acids that can bind together to make proteins

• Made in ribosomes

Multiple Choice

What Is mRNA

• copies the instructions in the DNA and carries them to the ribosomes in the cytoplasm

• make up the ribosome

• made in the ribosomes

Multiple Choice

What is tRNA

• copies and carries instructions

• binds and carries specific amino acids to the nucleus

• Binds and carries specific amino acid to the ribosome

Multiple Choice

What is rRNA

• Instructions located in the nucleus

• They make up the ribosomes along with proteins

• copies instructions in DNA

Multiple Choice

This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern

Multiple Choice

This type of inheritance pattern shows BOTH traits in possible offspring:

• complete dominance

• incomplete dominance

• co-dominance

• Indomitable 

Multiple Choice

When two or more genes control one single trait.

• Allelemania

• Several Genes

• Polygenetic Traits

• Genotype

Multiple Choice

When two or more alleles for a trait exist in a population.  Ex: Different hair colors or blood types

• SHAZAM!

• Multiple Genes

• Multiple Alleles

• Polysaccharide

Multiple Choice

The Father of Genetics is:

• Mike the Barber

• Howie Mendel

• George Mandible

• Gregor Mendel