Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

describe Understanding the basics of genetics.
1. describe -A mother is a carrier for blue eyes (autosomal recessive) and for hemophilia (X-linked recessive). Which of these is a correct statement?
A) All sons will have blue eyes and be hemophiliacs.
B) It depends on the father's genotype whether the sons will have blue eyes and/or be hemophiliacs.
C) There is a linkage between eye color and hemophilia.
D) Regardless of the father, no sons will have blue eyes or be hemophiliacs.
E) The father's genotype can determine whether a son will have blue eyes but cannot determine whether a son will be a hemophiliac.
2. If a species contains 23% A in its DNA, what is the percentage of guanine it would contain?
A) 23%
B) 25%
C) 27%
D) 44%
E) 46%
3. The amount of adenine is always equal to the amount of ____ in DNA.
A) cytosine
B) thymine
C) guanine
D) uracil
E) ATP
4. Which of the following have nitrogenous bases correctly paired in DNA?
A) adenine-guanine; thymine-cytosine
B) adenine-uracil; guanine-cytosine
C) adenine-adenine; guanine-guanine
D) adenine-thymine; guanine-cytosine
E) adenine-cytosine; guanine-thymine
5. A nucleotide contains
A) DNA and RNA.
B) complementary purines and pyrimidines .
C) a sugar, phosphate, and a nitrogenous base.
D) RNA, protein, and lipids.
E) a sugar, a phosphate, and a nitrogen atom.
6. The function of transfer RNA is to
A) turn DNA on and off.
B) transfer nucleotides to the nucleus.
C) transmit coded information to the cytoplasm.
D) carry amino acids to ribosomes.
E) act as the site for protein synthesis.
7. Prior to protein synthesis, the DNA
A) attracts tRNAs with appropriate amino acids.
B) adheres to ribosomes for protein synthesis.
C) serves as a template for the production of mRNA.
D) contains anticodons that become codons.
E) must first undergo replication.
8. The genetic code consists of ____ bases that stand for one amino acid.
A) 20
B) 4
C) 3
D) 2
E) 1
9. If one strand of DNA has the base sequence AAGCAA, the complementary DNA strand has which of the following sequences?
A) UUCGUU
B) AAGCAA
C) TTCGTT
D) UTCGTU
E) TTCGTG
10. Gene mutations are
A) always deleterious.
B) always beneficial.
C) radiation induced changes only.
D) alterations in the normal sequence of bases within a gene.
E) alterations in the normal sequence of bases outside a gene.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M916693

Have any Question? 


Related Questions in Biology

1 what are the benefits of sequencing the genome of an

1) What are the benefits of sequencing the genome of an organism? Explain by giving 3 examplesfor the applications of genomic information. 2) Why do not modern apes become human today? World limit is between 250-400

Lion can you please describe some adaptations that that

Lion: can you please describe some adaptations that that species developed that allow them to survive in their native habitat?

Does the environment exert an influence on the phenotype

Does the environment exert an influence on the phenotype? What are some examples of phenotypical characteristics that present two or more varieties and of phenotypical features that do not vary? In relation to the genes ...

Select a current news item pertaining to an ethical

Select a current news item pertaining to an ethical situation in the Middle East that has arisen in a business or non-profit organization. Describe the situation and the organization. Determine what made or makes this si ...

The ability of a person to roll their tongue is controlled

The ability of a person to roll their tongue is controlled by a single gene with two alleles. About 65% of people have the dominant allele, and can therefore roll their tongue. Stephanie cannot roll her tongue. Without y ...

Urgent two immune system questionsactivated t-helper cells

URGENT: Two immune system questions: Activated T-helper cells aid in humoral immune responses by releasing cytokines which promote antibody production, phagocytosis, neutralization and apoptosis. Which parts of this stat ...

Annotated bibliographypick a type of cancer to research

Annotated Bibliography Pick a type of cancer to research. Find articles that answer questions concerning your chosen type of cancer. This assignment will help you to organize the sources you will use in the Unit V Resear ...

1 describe the formation of a cp air mass and then discuss

1. Describe the formation of a cP air mass and then discuss the typical weather it produces and the changes it undergoes as it travels across the Great Lakes and moves southward. 2. Describe the typical life cycle of a m ...

What are the characteristics of tropical waters temperate

What are the characteristics of tropical waters, temperate waters and polar waters?

What is the difference between the brain and cerebrumwhat

What is the difference between the brain and cerebrum? What are the main parts of these structures? How is the cerebrum anatomically divided? How is it structurally explained that the motor activity of the left side of t ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro