Genetics

DNA that contains genes is found within the ___________.

• proteins

• chromosome

• plasmids

• amino acids

What cell process allows an organism to grow?

• mitosis

• meiosis

What are some examples of traits that can be inherited?

• eye color

• music ability

• hair color

• skin color

How can two siblings have different eye colors?

• The siblings inherited a different combination of alleles from their parents for eye color.

• The siblings were exposed to a different amount of sunlight as a baby.

• One sibling inherited all of the alleles from their mom and the other inherited all of the alleles from their dad.

What is heredity?

• the passing of knowledge from one generation to the next

• the history of a person's environmental exposure and is responsible for how future offspring will look

• the passing of genes (coded instructions) from one generation to the next and is responsible for what traits are inherited

Which parent is responsible for determining the gender of the offspring?

• mother

• father

• grandfather

• grandmother

Which orders these from SMALLEST to LARGEST?

• cell, nucleus, chromosome, gene

• cell, chromosome, gene, nucleus

• chromosome, cell, gene, nucleus

• gene, chromosome, nucleus, cell

Has two of the same alleles for a trait

• heterozygous

• homozygous

• hemezygous

• hydrozygous

Has two different alleles for a trait

• heterozygous

• homozygous

• hemezygous

• hydrozygous

A cell has 50 chromosomes in it and it undergoes meiosis. How many chromosomes with the daughter cells have?

• 25

• 50

• 100

• 125