Day 7 EOC Review-Genetics-Malone

Having two different genes for a trait (sometimes called hybrid).

• protein

• homozygous

• heterozygous

• genotype

The lowercase letter represents the _______ allele.

• dominant

• recessive

Having two of the same genes for the trait (sometimes called purebred).

• homozygous

• hetrozygous

• protein

• chromosome

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

What does a Punnett Square help you do?

• Determine the ratio of phenotypes
• Determine the ratio of genotypes
• Predict possible traits the offspring will have
• All of the above

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

Which is homozygous ?

• Zz
• SS

Which of the following is a genotype?

• Bb

• Black fur

What is the only way a recessive trait will show?

• AA

• Aa

• aa

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both