BIO 156 RIO EXAM 2 WITH CORRECT
QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY
GRADED A+ LATEST 2024 – 2025
When one DNA molecule is copied to make two DNA Molecules, each new DNA
molecule contains: - ANSWERS-50% of the parent DNA.
Retroviruses such as HIV use __________ to convert information stored in their
RNA to information stored in DNA. - ANSWERS-reverse transcriptase
If one sticky end has the nucleotide sequence TTAA exposed, the piece of DNA
that will come in and attach to that sticky end will have the sequence
___________. - ANSWERS-AATT
A Punnett square can be used to determine___________. - ANSWERS-the
genotype of an offspring
, Different alleles of the same gene are found - ANSWERS-at the same place on
homologous chromosomes
If a parental cell has 14 chromosomes prior to mitosis, how many chromosomes
will each daughter cell have? - ANSWERS-14 because the chromatids separate
Interphase is the stage when __________. - ANSWERS-a cell grows and duplicates
its DNA.
In an individual with a dominant phenotype is crossed with an individual with a
recessive phenotype, 4 of their 9 offspring show the recessive phenotype. What is
the genotype of the first parent? - ANSWERS-Bb
Solve this monohybrid genetics problem: Black hair is governed by the dominant
gene (B) and blond hair is determined by the recessive gene (b). In this
monohybrid cross, if both parents are heterozygous, what percentage of the
offspring would be expected to have blond hair? - ANSWERS-25%
a duplicated chromosome has _____ chromatid(s) - ANSWERS-2
Mendel was fortunate to work out the laws of segregation and independent
assortment because he used an organism that reproduced quickly and in which
the traits were discrete (easy to observe). Mendel's organism of choice was the -
ANSWERS-pea plant
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