Question 1

In mammals,why does the male parent's gamete determine the sex of his offspring?

Accepted Answer

A) The X chromosome originates only from females. 
B) Sperm are more powerful than eggs. 
C) The Y chromosome is present in males only. 
D) The X chromosome determines sex. 
A) The X chromosome originates only from females. 
B) Sperm are more powerful than eggs. 
C) The Y chromosome is present in males only. 
D) The X chromosome determines sex.

Question 2

Which of the following statements is an accurate comparison of eukaryotic and prokaryotic cells?

Accepted Answer

A) Prokaryotic cells include the gametes and various single celled organisms,while eukaryotic cells may occur as single celled or multi-celled organisms. 
B) Eukaryotic cells include gametes,have cell membranes and a nucleus,and may occur as single celled or multi-celled organisms. 
C) Prokaryotic cells make up single celled organisms,while eukaryotic cells make up the multi-celled organisms. 
D) The earliest eukaryotic cells appeared about 3.5 billion years ago,while the earliest prokaryotic cells appeared about 1.2 billion years ago. 
A) Prokaryotic cells include the gametes and various single celled organisms,while eukaryotic cells may occur as single celled or multi-celled organisms. 
B) Eukaryotic cells include gametes,have cell membranes and a nucleus,and may occur as single celled or multi-celled organisms. 
C) Prokaryotic cells make up single celled organisms,while eukaryotic cells make up the multi-celled organisms. 
D) The earliest eukaryotic cells appeared about 3.5 billion years ago,while the earliest prokaryotic cells appeared about 1.2 billion years ago.

Question 3

Describe the steps involved in protein synthesis.

Accepted Answer

DNA serves as a template for protein syn

Question 4

There are seven types of proteins.Three of them are structural,mechanical,and nutrient.What are the other four?

Accepted Answer

A) enzymes,gas transport,antigen,and hormones 
B) enzymes,gas transport,antibodies,and hormones 
C) enzymes,gas transport,antigen,and catalyzing 
D) enzymes,transcription,antibodies,and hormones 
A) enzymes,gas transport,antigen,and hormones 
B) enzymes,gas transport,antibodies,and hormones 
C) enzymes,gas transport,antigen,and catalyzing 
D) enzymes,transcription,antibodies,and hormones

Question 5

How do Hox genes appear to function?

Accepted Answer

A) in similar ways across diverse groups of organisms 
B) only in fruit flies 
C) by controlling which amino acids get plugged into polypeptide chains 
D) by controlling the development of language in humans 
A) in similar ways across diverse groups of organisms 
B) only in fruit flies 
C) by controlling which amino acids get plugged into polypeptide chains 
D) by controlling the development of language in humans

Question 6

How is the expression of polygenic traits determined?

Accepted Answer

A) only by the influence of biological factors 
B) by genes at two or more loci 
C) by multiple genes at one locus 
D) solely by the influence of environmental factors 
A) only by the influence of biological factors 
B) by genes at two or more loci 
C) by multiple genes at one locus 
D) solely by the influence of environmental factors

Question 7

What is the evolutionary significance of meiosis?

Accepted Answer

Adaptation by natural selection depends

Question 8

How does RNA differ from DNA?

Accepted Answer

A) RNA uses uracil instead of adenine. 
B) RNA uses uracil instead of guanine. 
C) RNA uses guanine instead of uracil. 
D) RNA uses uracil instead of thymine. 
A) RNA uses uracil instead of adenine. 
B) RNA uses uracil instead of guanine. 
C) RNA uses guanine instead of uracil. 
D) RNA uses uracil instead of thymine.

Question 9

In his experiments with garden peas,Mendel found that one physical unit is inherited from the father and one from the mother.What did this provide evidence for?

Accepted Answer

A) Mendel's law of independent assortment 
B) Thomas Hunt Morgan's ideas of mutation 
C) Mendel's law of segregation 
D) Mendel's concept of nondisjunction 
A) Mendel's law of independent assortment 
B) Thomas Hunt Morgan's ideas of mutation 
C) Mendel's law of segregation 
D) Mendel's concept of nondisjunction

Question 10

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

Accepted Answer

A) applies only to genes on the same chromosome. 
B) demonstrates the law of independent assortment. 
C) explains gene linkage. 
D) explains inheritance only in simple organisms. 
A) applies only to genes on the same chromosome. 
B) demonstrates the law of independent assortment. 
C) explains gene linkage. 
D) explains inheritance only in simple organisms.

In mammals,why does the male parent's gamete determine the sex of his offspring?

Which of the following statements is an accurate comparison of eukaryotic and prokaryotic cells?

Describe the steps involved in protein synthesis.

There are seven types of proteins.Three of them are structural,mechanical,and nutrient.What are the other four?

How do Hox genes appear to function?

How is the expression of polygenic traits determined?

What is the evolutionary significance of meiosis?

How does RNA differ from DNA?

In his experiments with garden peas,Mendel found that one physical unit is inherited from the father and one from the mother.What did this provide evidence for?

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

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Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominin Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

The Past 10, 000 Years: Agriculture, population, biology

Evolution: Today and Tomorrow

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Exam 3: Genetics: Reproducing Life and Producing Variation

In mammals,why does the male parent's gamete determine the sex of his offspring?

Which of the following statements is an accurate comparison of eukaryotic and prokaryotic cells?

Describe the steps involved in protein synthesis.

There are seven types of proteins.Three of them are structural,mechanical,and nutrient.What are the other four?

How do Hox genes appear to function?

How is the expression of polygenic traits determined?

What is the evolutionary significance of meiosis?

How does RNA differ from DNA?

In his experiments with garden peas,Mendel found that one physical unit is inherited from the father and one from the mother.What did this provide evidence for?

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

What Is Physical Anthropology?

Evolution: Constructing a Fundamental Scientific Theory

Genes and Their Evolution: Population Genetics

Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominin Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

The Past 10, 000 Years: Agriculture, population, biology

Evolution: Today and Tomorrow

Filters