BIO 100 Final Exam Actual Exam Newest 2026-2027

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BIO 100 Final Exam Actual Exam Newest 2026-2027 Actual Exam With Complete 300 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+

An allele that can mask the presence of a recessive allele is a _____ allele. - ANSWER-dominant

The diagram that is used to determine the possibilities of offspring having particular genotypes, given the genotypes of the parents, is a(n) _____. - ANSWER-punnett square

What is the genotype of a person with CF? - ANSWER-homozygous recessive

Two genes assort independently. A prospective mother is homozygous recessive for gene "A" and homozygous dominant for gene "B." The father is heterozygous for gene "A" and homozygous recessive for gene "B." What is the probability that their child will be heterozygous for both the "A" and "B" genes? - ANSWER-1/2

One of mom's chromosome 7's has a nonfunctional CTFR allele (cf−) next to a functional allele of another gene (A+). Her other homologue 1 / 3

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has a functional allele of the CTFR (CF+) gene next to a nonfunctional allele of the other gene (a−). Dad has functional alleles of both genes on both homologues (CF+, A+). A child of theirs has a maternal homologue that is CF+, A+; and a paternal homologue that is also CF+, A+. The best explanation for this is _____. - ANSWER-recombination in mom

If two genes are located next to one another on the same chromosome, can you use the Punnett square to assess inheritance of the two genes? - ANSWER-no

If the first child of two parents with polydactyly does not exhibit this trait, what is the probability that their next child will have polydactyly? - ANSWER-75 percent

The term that is used to describe when two alleles are different from each other is _____. - ANSWER-heterozygous

Dimples are a dominant inherited trait. If both parents are nondimpled, what are the chances that their first child will be born with dimples? - ANSWER-0 percent

Your skin is a major part of the _____ system. - ANSWER- integumentary

Vasoconstriction involves constriction of _____. - ANSWER-blood vessels 2 / 3

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Which of these houses the body's thermostat? - ANSWER-the hypothalamus

The digestive system helps absorb nutrients into the bloodstream.Because it interacts with the bloodstream, with what system does the digestive system cooperate? - ANSWER-circulatory

A researcher is dissecting a bat carcass and comes across a deposit of brown fat. Which statement is true regarding this fat? - ANSWER-This fat would be involved in nonshivering thermogenesis

Which of these is an example of homeostasis? - ANSWER-maintaining a relatively constant blood sugar level after meals and between meals

The heart is a(n) _____ found in the circulatory _____. - ANSWER- organ, organ system

Heat conservation by the body can actually lead to frostbite because _____. - ANSWER-vasoconstriction reduces blood flow to the extremities and lets them cool down too much

How can a brain injury cause someone to be perpetually cold? - ANSWER-If the hypothalamus is damaged, it can't properly sense and respond to changes in temperature

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