exam 3 bio abcd cards

Where are proteins created?

Ribosome

Which of the following is not a type of RNA?

cRNA

What is the mRNA sequence complementary to the following DNA sequence?

3' TCTAGATCCAA 5'

5' AGAUCUAGGUU 3'

What amino acid chain is created from the following mRNA sequence?

5’ ACU AUG UUC UAG UCC 3’

Methionine-Phenylalanine

At any point in time, most of your genes are turned

Off

What type of stem cell can differentiate into ~200 types?

Embryonic

“Tags” on DNA, that affect which genes are expressed, and are inherited across generations, are part of

Epigenetics

In what phase of the cell cycle is DNA replicated?

S phase

Given the following DNA sequence, what will be the complementary strand created in DNA replication?

3' TCTAGATCCAA

5' AGATCTAGGTT 3'

What type of mutation is shown here?

Original code: ACT GTT ATG TAT TAA

Mutated code: ACT GTT AAG TAT TAA

Substitution

What type of genes code for proteins that limit the pace of cell division?

Tumor-suppressor genes

Some types of cells repeatedly undergo mitosis without cytokinesis. What would be the consequence of this?

Large cells containing many nuclei

A human cell with 23 chromosomes in it is

Haploid n

Meiosis produces

4 genetically different cells

Sister chromatids separate during which phase of mitosis?

Anaphase

What is the definition of allele?

Version of a gene

When Do Homologous Chromosomes Separate During Meiosis?

Anaphase 1

Albinism is a recessive disorder. What is the probability that a child of two heterozygous parents will have and express albinism?

25%

What is the probability that a child of two heterozygous parents will be a carrier of albinism, a recessive disorder?

50%

What is the probability that a child of one homozygous dominant parent and one heterozygous parent will be a carrier of albinism?

50%

What is the probability that a child of one heterozygous parent and one homozygous recessive parent will have and express albinism?

50%

What is the probability that a child of two heterozygous parents will have Huntington’s disease?

75%

What is the probability that a biological child of one parent with homozygous type A blood and one parent with heterozygous type B blood will have a codominant blood type?

50%

Hemophilia is a blood clotting disorder caused by an X-linked recessive trait. H is dominant to h. A man who has hemophilia is planning to have a child with a woman who is a carrier for hemophilia. What is the probability the child will have hemophilia?

50%

One gene influencing multiple phenotypic traits is known as

Pleiotrophy

Which blood type is the “universal donor”?

Type O