Mendelian inheritance - Law of independent assortment

8 important questions on Mendelian inheritance - Law of independent assortment

What is a two-factor cross?

A two-factor cross is an experiment in which the inheritance of two different characters within the same groups of individuals are followed.

According to the linkage hypothesis shown here, what is linked? Are two different genes linked, or are two different alleles of the same gene linke, or both?

According to this hypothesis, two different genes are linked. The alleles of the same gene are not linked.

Why does independent assortment promote genetic variation?

Independent assortment allows for new combinations of alleles among different genes to be found in future generations off offspring.
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What is genetic recombination?

Genetic recombination is the phenomenon that an offspring receives a combination of alleles that differs from those in the parental generation.

If a parent plant is Ttyy, how many different types of gametes can it make?

Ty and ty, so two different types of gametes.

What is the multiplication method?

The multiplication method is a method for solving independent assortment problems in which the probabilities of the outcome for each gene are multiplied together.

What is the forked-line method?

The forked-line method is a method to solve independent assortment problems in which lines are drawn to connect particular genotypes.

What are loss-of-function alleles?

Loss-of-function alleles are alleles that are defective. When two loss-of-function alleles are on one gene, this gene becomes defective.

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