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Gene Segregation and Interaction Exercise 2 I

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Gene Segregation and Interaction Exercise 2 I

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Questions and Answers

What is the process of alleles of a gene pair separating completely and cleanly from each other during meiosis known as?

Gene Assortment

Allele Combination

Allele Segregation

Independent Segregation (correct)

In a monohybrid cross, what is the result of crossing homozygous individuals that are different from each other at one gene locus?

All offspring will have the same genotype and phenotype

Offspring will have a mix of genotypes and phenotypes (correct)

There will be no offspring produced

The offspring will only inherit one gene from the parents

What is the result of a dihybrid cross involving two homozygous individuals that are different from each other at two gene loci?

All offspring will have the same genotype and phenotype

Offspring will have a mix of genotypes and phenotypes (correct)

There will be no offspring produced

The offspring will only inherit one gene from the parents

What is the combination of alleles known as?

Genotype Signup and view all the answers

What is the manifestation of genotype through behavioral, biochemical, morphological, and physiological traits known as?

Phenotype Signup and view all the answers

What did Gregor Mendel propose in the Law of Independent Assortment?

Alleles of different gene pairs separate completely and cleanly from each other during meiosis Signup and view all the answers

What is the definition of probability?

The chance that an event will occur Signup and view all the answers

What does conditional probability represent?

The probability of one event occurring given that another has already occurred Signup and view all the answers

In binomial probability, what does 'p' represent?

Probability of event type 1 Signup and view all the answers

In gene interaction, what is the outcome of allelic interactions where only one gene controls a trait?

3:1 Signup and view all the answers

In non-allelic interactions, what is the outcome of epistasis?

12:3:1 Signup and view all the answers

What is the outcome of allelic interactions known as overdominance?

1:2:1 Signup and view all the answers

What are genes or hereditary units composed of?

Portions of DNA Signup and view all the answers

"Uncoiled DNA of human chromosome has an average length of" what?

$5cm$ Signup and view all the answers

What is the diameter of the basic unit of chromatin, the nucleosome?

Around $10nm$ Signup and view all the answers

What leads to the formation of a solenoid in chromatin fiber coiling?

Association of H1 with linker DNA Signup and view all the answers

What does the term 'epistasis' refer to in gene interaction?

An allele of a gene masking the effect of another allele Signup and view all the answers