BIO230 Exam 4 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: D. Proto-oncogene
Answer:
A. Oncogene
Q: Alleles are considered to by haplo-insufficient when
Answer:
A. the biological process is dose sensitive.
B. it requires two functional alleles to carry out normal function.
C. an organism, that is heterozygous for a specific allele, is unable to complete a
normal
function and has a phenotype similar to a homozygous recessive organism.
D. All the above answers are correct D. All the above answers are correct
,BIO230 Exam 4 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: In the multiple-allele series that determines coat color in rabbits, c+ encodes
agouti, cch encodes chinchilla, and ch encodes Himalayan. Dominance within
this allelic series is c+ > cch > ch. In a cross of c+/ch x c+/ch, what proportion of
progeny will be chinchilla?
Answer:
0%
Q: Polydactyly is a condition that results in more that five digits on an individuals
hands and/or feet. This condition is the result of a domainant allele. If two
individuals with polydactyly have a child, what is the chance the child will be a
boy and have polydactyly?
Answer:
not enough info
, BIO230 Exam 4 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: If two individuals with brown eyes have four children, three have brown eyes
and one with blue eyes. What is the chance that the parents of the four children
are both homozygous?
Answer:
0%
Q: If two individuals with brown eyes have four children, three have brown eyes
and one with blue eyes. What is the chance that one of the brown-eyed children
is a carrier of the recessive trait?
Answer:
66.6%
Q: T or F: Co-dominance follows the same inheritance pattern as incomplete
dominance
Answer:
False
2026 Update
Q: D. Proto-oncogene
Answer:
A. Oncogene
Q: Alleles are considered to by haplo-insufficient when
Answer:
A. the biological process is dose sensitive.
B. it requires two functional alleles to carry out normal function.
C. an organism, that is heterozygous for a specific allele, is unable to complete a
normal
function and has a phenotype similar to a homozygous recessive organism.
D. All the above answers are correct D. All the above answers are correct
,BIO230 Exam 4 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: In the multiple-allele series that determines coat color in rabbits, c+ encodes
agouti, cch encodes chinchilla, and ch encodes Himalayan. Dominance within
this allelic series is c+ > cch > ch. In a cross of c+/ch x c+/ch, what proportion of
progeny will be chinchilla?
Answer:
0%
Q: Polydactyly is a condition that results in more that five digits on an individuals
hands and/or feet. This condition is the result of a domainant allele. If two
individuals with polydactyly have a child, what is the chance the child will be a
boy and have polydactyly?
Answer:
not enough info
, BIO230 Exam 4 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: If two individuals with brown eyes have four children, three have brown eyes
and one with blue eyes. What is the chance that the parents of the four children
are both homozygous?
Answer:
0%
Q: If two individuals with brown eyes have four children, three have brown eyes
and one with blue eyes. What is the chance that one of the brown-eyed children
is a carrier of the recessive trait?
Answer:
66.6%
Q: T or F: Co-dominance follows the same inheritance pattern as incomplete
dominance
Answer:
False
