Biology 1_Unit 3_Milestone and Final Exam Review_Genetics

Biology 1_Unit 3_Milestone and Final Exam Review_Genetics

Biology 1_Unit 3_Milestone and Final Exam Review_Genetics

Multiple Choice

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Multiple Choice

The following picture must be

• DNA because it's double stranded

• RNA because it's single stranded

• DNA because it's single stranded

• RNA because it's double stranded

Multiple Choice

I include the bases Guanine, Cytosine, Adenine and Uracil .

• DNA

• RNA

Multiple Choice

I include the bases Guanine, Cytosine, Adenine and Thymine.

• DNA

• RNA

Multiple Choice

The nucleic acid DNA is composed of

• sugar, protein, and nitrogenous bases.

• protein, nitrogenous bases, and phosphate.

• nitrogenous bases, phosphate, and RNA.

• sugar, phosphate, and nitrogenous bases.

Multiple Choice

Place the following in sequential order

1. Recoil

2. Straightens the double helix

3. Breaks Hydrogen bonds

4. Adds Free nucleotides

• 1, 2, 3, 4

• 3, 4, 2, 1

• 3, 2, 4, 1

• 2, 3, 4, 1

Multiple Choice

DNA replication results in two DNA molecules,

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

Multiple Choice

Which of the following is an example of a beneficial mutation?

• When an organism's lifespan becomes shorter.

• When an organism becomes unable to reproduce.

• When an organism's body becomes deformed.

• When an organism develops immunity to a disease.

Multiple Choice

A permanent change in the DNA sequence

which can affect a single gene or group of genes

• Homeostasis

• Somatic Cell

• Chromosomal Mutation

• Gene Mutation

Multiple Choice

A permanent change in the DNA sequence

which can affect a single gene or group of genes

• Homeostasis

• Somatic Cell

• Chromosomal Mutation

• Gene Mutation

Multiple Choice

Nondisjunction

• When a segment of a chromosome breaks off.

• When a segment of a chromosome breaks off, flips, and reattaches.

• When a segment of a chromosome is copied or doubles.

• When a segment of a chromosome breaks and attaches to a non homologous chromosome.

• When entire chromosomes don't separate evenly during meiosis.

Multiple Choice

When can a mutation be passed on to offspring?

• only when the mutation is present during or occurs during mitosis

• only when the mutation is present during or occurs during meiosis

• when the mutation occurs during mitosis or meiosis

• when the mutation occurs in somatic cells

Multiple Choice

Identify the mutation in the picture.

• Inversion

• Duplication

• Deletion

• Translocation

Multiple Choice

Identify the mutation in the picture.

• Inversion

• Duplication

• Deletion

• Translocation

Multiple Choice

What causes mutations?

• Mistakes in replication or environmental substances

• The amino acids

• Passed down by genetics

• It's how your born

Multiple Choice

What causes mutations?

• Mistakes in replication or environmental substances

• The amino acids

• Passed down by genetics

• It's how your born

Multiple Choice

What is the effect of crossing over and independent assortment during meiosis?

• increased genetic diversity of gametes

• decreased genetic diversity of gametes

• increased number of daughter cells

• decreased number of daughter cells

Multiple Choice

During meiosis, nonsister chromatids of a homolgous pair exchange DNA. This is called _____________.

• crossing over

• trading places

• criss cross apple sauce

• breaking places

Multiple Choice

During meiosis, nonsister chromatids of a homolgous pair exchange DNA. This is called _____________.

• crossing over

• trading places

• criss cross apple sauce

• breaking places

Multiple Choice

In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed. What percentage of their offspring are expected to have short arms?

• 0%

• 25%

• 75%

• 100%

Multiple Choice

In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed. What percentage of their offspring are expected to have short arms?

• 0%

• 25%

• 75%

• 100%

Multiple Choice

This type of inheritance pattern shows BOTH traits in possible offspring

• co-dominance

• incomplete dominance

Multiple Choice

In cattle red coats are represented as RR, and white coats are represented as WW.

What is the genotype for Roan color?

• RR

• RW

• WW

Multiple Choice

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

• Incomplete Dominance

• Codominance

Multiple Choice

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

• Incomplete Dominance

• Codominance

Multiple Choice

Very little genetic variation among offspring. Can result in extinction of species if the environment changes

• advantages of asexual reproduction

• advantages of sexual reproduction

• disadvantages of asexual reproduction

Multiple Choice

Which of the following describes the main advantages of sexual reproduction?

• requires lots of time/energy

• no new gene combos can arise

• diversity

• looks identical to the parent

Multiple Choice

Where does an off spring get its traits in asexual reproduction?

• From both parents

• From only one parent

• From neither parent

• There are no traits handed down

Multiple Choice

Where does an off spring get its traits in asexual reproduction?

• From both parents

• From only one parent

• From neither parent

• There are no traits handed down