Biology Test Questions Genetics DAT

What is the most likely type of inheritance for the pedigree shown below?
A. Sex-linked dominant
B. Sex-linked recessive
C. Autosomal dominant
D. Autosomal recessive
E. Co-dominant inheritance
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Terms in this set (8)
What is the most likely type of inheritance for the pedigree shown below?
A. Sex-linked dominant
B. Sex-linked recessive
C. Autosomal dominant
D. Autosomal recessive
E. Co-dominant inheritance
D. Autosomal recessive
Image: What is the most likely type of inheritance for the pedigree shown below? A. Sex-linked dominant B. Sex-linked recessive C. Autosomal dominant D. Autosomal recessive E. Co-dominant inheritance
Which of the following DNA sequence has the highest melting point when attached to its complementary strand?
A. ACGATTATAA
B. TGCGCACTAT
C. AGATGCTAAG
D. TGCAGGCTAC
E. ACAATGTTAG
D. TGCAGGCTAC
If an organism's DNA contains 30% adenine, what percentage of guanine would be present in their DNA?
A. 20%
B. 30%
C. 40%
D. 50%
E. 60%
A. 20%
Which of the following processes are topoisomerases involved in?
A. RNA replication
B. Translation
C. Transcription
D. tRNA retrieval
E. RNA translation
C. Transcription
DNA is composed of each of the following types of bonds EXCEPT one. Which of the following is the EXCEPTION?
A. Hydrogen bonds
B. Phosphodiester bonds
C. Covalent bonds
D. Disulfide bonds
E. Van der Waals forces
D. Disulfide bonds
A man and a woman have normal skin color but both have one parent with albinism, which is caused by an autosomal recessive allele. If the couple intends on having 2 children, which of the following is the probability that both children will have albinism?
A. 0
B. 1/2
C. 1/4
D. 1/8
E. 1/16
E. 1/16
Down syndrome is a condition caused when nondisjunction occurs in meiosis I. Which of the following gametes would be produced from this condition?
A. One gamete will lack chromosome #21 and two would have an extra copy
B. Two gametes will lack chromosome #21 and two would have an extra copy
C. Three gametes will lack chromosome #21 and two would have an extra copy
D. Two gametes will lack chromosome #21 and one would have an extra copy
E. Three gametes will lack chromosome #21 and one would have an extra copy
B. Two gametes will lack chromosome #21 and two would have an extra copy
Which type of genetic material is made in the nucleolus?
A. tRNA
B. mRNA
C. rRNA
D. cDNA
C. rRNA