SFSU Bio 230 Final 2025/2026 Exam
Questions and Answers 100%
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If a silk protein gene from a side is attached to a mammary gland promoter
and inserted into the first cell of a goat embryo, which is correct? - 🧠
ANSWER ✔✔the silk protein will be produced in only the mammary cell in
the adult goat
Order from smallest to largest:
nucleotide gene, exon, skin cell, and genome - 🧠 ANSWER ✔✔nucleotide,
exon, gene, genome, and skin cell
approximately what percentage of cancer causing mutations are newly
acquired - 🧠 ANSWER ✔✔90%
, If a mutagen reacts with DNA in a cell to form a single DNA, after two cell
divisions, how many of their daughter cells are likely to have DNA adduct? -
🧠 ANSWER ✔✔1
Most accurate about DNA replication and transcription/translation (central
dogma)? - 🧠 ANSWER ✔✔DNA replication occurs in some cells, while
transcription/translation happens in all cells
If cell divine via mitosis is like a copy machine, which phase of the cell
cycle carry out the "copy" and "collate" function? - 🧠 ANSWER ✔✔S & M
phase
a slot machine has 10 slots. Each slot has 4 fruits on the spinner (apple,
pear, grape, cherry). According to law of segregation what are the odds of
getting cherry? - 🧠 ANSWER ✔✔1/4
which is true for recessive alleles? - 🧠 ANSWER ✔✔they produce non-
functional proteins or no proteins at all
horizontal & vertical stripes are controlled by the same genes. Vertical =
dominant (H) and horizontal = recessive (h). What is the genotype of the
parent fish with vertical stripes? - 🧠 ANSWER ✔✔Hh
Questions and Answers 100%
Guaranteed Success | Already Rated A+
If a silk protein gene from a side is attached to a mammary gland promoter
and inserted into the first cell of a goat embryo, which is correct? - 🧠
ANSWER ✔✔the silk protein will be produced in only the mammary cell in
the adult goat
Order from smallest to largest:
nucleotide gene, exon, skin cell, and genome - 🧠 ANSWER ✔✔nucleotide,
exon, gene, genome, and skin cell
approximately what percentage of cancer causing mutations are newly
acquired - 🧠 ANSWER ✔✔90%
, If a mutagen reacts with DNA in a cell to form a single DNA, after two cell
divisions, how many of their daughter cells are likely to have DNA adduct? -
🧠 ANSWER ✔✔1
Most accurate about DNA replication and transcription/translation (central
dogma)? - 🧠 ANSWER ✔✔DNA replication occurs in some cells, while
transcription/translation happens in all cells
If cell divine via mitosis is like a copy machine, which phase of the cell
cycle carry out the "copy" and "collate" function? - 🧠 ANSWER ✔✔S & M
phase
a slot machine has 10 slots. Each slot has 4 fruits on the spinner (apple,
pear, grape, cherry). According to law of segregation what are the odds of
getting cherry? - 🧠 ANSWER ✔✔1/4
which is true for recessive alleles? - 🧠 ANSWER ✔✔they produce non-
functional proteins or no proteins at all
horizontal & vertical stripes are controlled by the same genes. Vertical =
dominant (H) and horizontal = recessive (h). What is the genotype of the
parent fish with vertical stripes? - 🧠 ANSWER ✔✔Hh
