Each amino acid has a different side chain, called a(n) ____
a. amino strand
b. carboxyl group
c. R group
d. glucose pentose configuration
e. ribosomal attachment
c
You might also like to view...
Nucleotides are to nucleic acids as amino acids are to ________
Fill in the blank with correct word.
Environmental factors typically influence inheritance of ________
A) codominance B) dominantly inherited traits C) polygenic traits D) trihybrid crosses E) multiple alleles
Tay-Sachs, which is a recessive lethal disease, results only when individuals possess two copies of the disease-causing allele. Which of the following statements is true about this disease?
a) Heterozygous individuals are more fit than homozygous dominant individuals, so eventually, there will only be heterozygotes in the population. b) Heterozygous individuals may pass on their copy of the disease-causing allele to offspring. c) All cases of this disease must be caused by new mutations. d) Heterozygous individuals only pass on the dominant copy of the allele to offspring. e) A homozygous individual can pass on both of the recessive genes for Tay-Sachs.
Crossing over refers to the exchange of genetic material between two homologous chromosomes. Which of the following statements about this event is correct?
a) Crossing over is more likely to occur between two genes that are widely separated on the chromosomes. b) Crossing over is more likely to occur between two genes that occur next to each other on a chromosome. c) Crossing over is more likely to occur with recessive alleles than with dominant ones. d) Both a) and c) are correct. e) Both b) and c) are correct.