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Plant Anatomy and Hormones

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Questions and Answers

What is the main characteristic of a dominant gene?

Its expression is masked in the presence of a recessive gene

It produces the same phenotype in the organism regardless of its allele (correct)

It is always inherited from the mother

It is always recessive

What is the result of a cross between parents that are pure for contrasting traits?

All offspring will be heterozygous and express only the dominant trait (correct)

Some offspring will express both traits

All offspring will be heterozygous and express only the recessive trait

All offspring will be homozygous

What is the term for the phenomenon where one gene has more than two possible alleles in a population?

Multiple alleles (correct)

Segregation

Incomplete dominance

Independent assortment

During the process of gamete formation, what happens to the two genes of a pair?

They segregate, with only one gene from each pair being passed on to each gamete Signup and view all the answers

What is the term for the phenomenon where the phenotype of hybrids is intermediate between the phenotypes of the two parental varieties?

Incomplete dominance Signup and view all the answers

What is the result of the independent assortment of alleles for one trait and alleles for another trait?

The alleles segregate independently during metaphase I of meiosis Signup and view all the answers

What is the characteristic of a recessive gene?

Its expression is masked in the presence of a dominant gene Signup and view all the answers

Which of the following is an example of multiple alleles?

The ABO blood group in humans Signup and view all the answers

What is the main difference between Mendelian and non-Mendelian genetics?

Mendelian genetics follows the laws of segregation and independent assortment, while non-Mendelian genetics does not Signup and view all the answers

What is the term for the process where the two genes of a pair separate during gamete formation?

Segregation Signup and view all the answers