NAS 2 Challenge Exam Practice (2023/2024 Update) 100% Correct Questions and Answers| Verified Solutions
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Course
NAS2 Challenge
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NAS2 Challenge
NAS 2 Challenge Exam Practice (2023/2024
Update) 100% Correct Questions and
Answers| Verified Solutions
QUESTION
A "Bb" individual has children with another "Bb" individual. What is the ratio of genotypes in
the offspring?
Answer:
1/4 BB, 1/2 Bb, 1/4 bb
QUESTION
Which ar...
NAS 2 Ch allenge Exam Practice (2023/2024 Update ) 100% Correct Questions and Answers | Verified Solutions QUESTION A "Bb" individual has children with another "Bb" individual. What is the ratio of genotypes in the offspring? Answer: 1/4 BB, 1/2 Bb, 1/4 bb QUESTION Which are the THREE phases of interphase? Answer: G1, S, and G2 QUESTION ___ is when any chromosomes fail to separate properly during anaphase II or II of meiosis. Answer: Nondisjunction QUESTION What are alleles? Answer: variants of the same gene QUESTION Which of these activities happens in prophase? 1. DNA replication 2. Microtubules assemble into a spindle 3. Nuclear envelope (membrane) breaks apart 4. Cell division 5. Chromosomes align in the middle of the cell 6. Chromosomes decondense (loosen up) Answer: 2,3 QUESTION Which of the following is the stage of the cell cy cle in which DNA is replicated? Answer: S QUESTION An individual's genotype is AA for a given gene. The most accurate way to describe their genotype would be Answer: An individual's genotype is AA for a given gene. The most accurate way to describe their genotype would be QUESTION Some examples of haploi d cells would be: 1. Skin cells 2. Egg cells 3. Sperm cells 4. Liver cells 5. Fertilized egg cells Answer: 2 and 3 QUESTION What is the difference between anaphase I and anaphase II? Answer: In anaphase I, homologous chromosomes separate; in anaphase II, sister chromatids separate. QUESTION The physical divisions of a person's genome are called: Answer: Chromosomes QUESTION What does it mean to be diploid? Answer: To ha ve two sets of each chromosome QUESTION Color blindness is a sex -linked recessive trait. Given this information, in which chromosomes are the genes controlling color vision likely located? Answer: X Chromosome QUESTION What is the typical room temperature of water?
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