Answers Biology B - Q1Non-Mendelian Inheritance

Non-Mendelian Inheritance — Unit test Answers

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Laura's mother is shown in the image. Which trait is Laura least likely to inherit from her mother?

brown eyes

pink hair

unclefted chin

no freckles

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Joyce and Tim started piano lessons at the same time. They both practice about 30 minutes a day and enjoy playing the piano. Despite these similarities, Joyce has mastered many more piano skills than Tim has. Which argument is best supported by these observations?

All individuals inherit the same potential to play the piano.

The ability to play the piano is influenced by genetics as well as the environment.

The amount an individual practices each day entirely determines how well they play piano.

Most people only need 30 minutes of piano practice each day to master skills.

Mendel’s pea plants had either purple or white flowers. This means that the plants

can self-pollinate.

have two recessive traits.

have two alleles for the gene.

have two copies of a gene from one parent.

Svetlana and her mother are very similar. Both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. Which statement most likely describes Svetlana’s traits?

Svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.

Svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.

Svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.

Svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

Mendel was able to study seven traits in all the pea plants in each generation. Which of his hypotheses allowed him to analyze each trait separately?

If two different alleles for a gene occur together, one of the alleles may be expressed while the other is hidden.

When gametes are formed, each gamete carries only one allele for the gene.

There are alternate versions of a alleles called genes.

For each inherited trait, there is only one copy of the gene that codes for that trait.

If Mendel had crossed a true breeding dominant plant with a true breeding recessive plant, in which of the three generations is the recessive trait visible?

F1 generation only

P generation only

F1 generation and F2 generation

P generation and F2 generation

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Non-Mendelian Inheritance — Unit test Answers

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