Genetics Review

Genetics Review

By Yvonne Smith

Multiple Choice

Plants that self-fertilize create what type of offspring? Refer to F1 generation

• bad plants

• pure bred plants

• dead plants

• all stinky plants

Multiple Choice

What is the difference between P1 and F1?

• P1 generation comes only from self pollination

• F1 generation is determined by F2

• P1 refers to parental generation and F1 is first generation

• P1 and F1 are letters in the DNA strand

Fill in the Blank

A factor (gene) is a segment of ______ on a chromosome that codes for a particular trait.

Multiple Choice

What are alleles?

• alternative forms of a chromosome

• copies of DNA from dad

• copies of DNA from mom

• alternative forms of a gene

Draw

Circle the alleles for flower color.

Multiple Choice

Which of the following represent a "genotype"? for eye color.

• Gg

• brown eyes

• blue eyes

• green eyes

Multiple Choice

The different color bands in the image represent

• two chromosomes

• genes

• colors of the rainbow

• one chromosome

Multiple Select

What are the alleles for the gene coat color?

• white coat

• black coat

• yellow coat

• green coat

Multiple Choice

Which is the dominant trait?

• blue eyes

• brown eyes

• green eyes

• hazel eyes

Multiple Select

Which of the following represents a human's phenotype?

• TT

• small nose

• Zz

• large feet

Multiple Choice

A homozygous trait contains two alleles that are the _________.

• different

• same

• triplets

• awkward

Multiple Choice

Alleles that differ from each other for a trait are called _________.

• interesting

• homozygous

• heterozygous

• similar

Multiple Choice

Which of the genotype represent a homozygous recessive trait?

• HH

• hh

• Hh

Multiple Choice

Which of the genotype represent a homozygous dominant trait?

• HH

• hh

• Hh

Multiple Choice

What pattern do you notice from Mendel's data?

• All traits show up in the F1 and F2 generation

• F1 traits are extremely different from the P1 generation

• traits dissappeared in the F1 and F2 generation

• some traits dissappeared (masked) in the F1 generation, but reappeared in the F2