Genetics 2023

Which of the following alleles is homozygous recessive?

• Tt
• tt
• TT
• t

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

In a Punnett square each box represents the probability of a(n) _______ trait.

• offspring's

• parent's

• gene's

• allele's

Different forms of a trait a gene may have. Ex: R,r,T,t

• Heredity
• Genetics
• Inheritance
• Allele

A chart that shows all the possible combinations of alleles that can result from a genetic cross

• Gene
• Pedigree
• Punnett Square
• Dominant

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey
• water to rain
• parents to offspring
• fungi to protists

Brown hair is an example of which of the following

• Genotype

• Phenotype

• Neither

What does the prefix hetero- in heterozygous mean?

• same
• different
• dating
• human

The physical appearance of a trait is known as the-

• genotype
• phenotype
• characteristics
• intelligence