解答つき看護学校入学試験のための生物ワークシート

DNAで、アデニンは必ずどの塩基と対をつくるか。

1. Aウラシル
2. Bシトシン
3. Cチミン
4. Dグアニン

In genetics, what is a carrier?

1. AA person with one recessive allele for a disorder but no symptoms
2. BA person with two recessive alleles who has the disorder
3. CA person who has lost both alleles for the gene, so shows no trait
4. DA person who has a dominant disorder

What does transfer RNA (tRNA) do?

1. AIt brings amino acids to the ribosome
2. BIt joins two DNA strands together
3. CIt carries the code out of the nucleus
4. DIt copies DNA in the nucleus

Why is the ABO blood group system an example of multiple alleles?

1. ABlood type is controlled by many separate genes
2. BThere are three alleles of the gene in the population
3. CThe gene is found on several chromosomes
4. DEach person carries three different alleles of the ABO gene

Which body system works with the respiratory system to deliver oxygen to body cells?

1. AThe urinary system
2. BThe circulatory system
3. CThe skeletal system
4. DThe digestive system

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

1. ACross it with a TT plant
2. BCross it with another tall plant
3. CCross it with a short (tt) plant
4. DLet it grow for a longer time

病気のない両親から、その病気をもつ子が生まれた。単一の遺伝子と仮定すると、最も可能性の高い説明はどれか。

1. A形質は優性で、両親とも発症している
2. B形質は優性で、片方の親がホモ接合である
3. C子は、父親のY染色体からのみその形質を受け継いだ
4. D形質は劣性で、両親とも保因者である

Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?

1. AThe bacteria change into viruses after many divisions
2. BThe flask becomes too cold for growth
3. CNutrients run out and waste products build up
4. DThe bacteria stop dividing once they reach adult size