ex. Bb, CC, hh

What is a segment of DNA that determines a specific trait?

What is an acquired trait?

Alternative forms of a gene. Offspring receive 1 from each parent for a total of 2

A wrinkled seed and a round seed are crossed. Only the round trait shows in the offspring. What is the recessive trait?

A green round seed is crossed with a yellow wrinkled seed. The result is 3 green round seeds, and 1 yellow wrinkled seed. Which 2 traits are recessive.

F = blue flower

f = white flower

Which combination of alleles could pass on the allele for white flowers? 2 answers

Yellow body color is dominant to blue. Pick the phenotype for each

You are studying flies in the lab. You know the alleles the parents have but want to see what combinations the offspring could have. What could you use to figure this out?

R = round

r = wrinkled

Complete a punnett square using the parents Rr x rr.

What percent will be round?

Complete a punnett square using Aa x Aa

What genotypes are possible?

Complete a punnett square using Pp x Pp. Which of these statements is correct?

T = tall

t = short

Complete a punnett square for TT x tt

What is the most common phenotype?

Which of these is NOT an inherited characteristic?

Ryan notices that his friend's brothers are tall. What are the possible genotypes of Ryan's parents? PICK 2

Which of these is an inherited trait?

Widows peak is a recessive trait, and normal hairline is dominant. If you are a carrier for widows peak, what genotype will you have.

Which of these is an acquired trait in humans?

Which type of reproduction involves 2 parents

How many human chromosomes are in a cell before and after meiosis?

A cell with 2 of every chromosome is what type of cell?

Who was the Austrian monk who studied pea plants and was called the "father of genetics?"

The gene that "shows" up is called the ________________ gene.

An organism whose genes for a trait are the SAME are called _____ for that trait.

H= curly hair

h= straight hair

Which letter is the dominant letter/trait?

D= dark hair

d= blonde hair

If the results are: Dd, dd, Dd, dd, what is the probability that the person will have dark hair?

A parent cell at the beginning of meiosis contains two sets or __________ chromosomes.

___________ chromosomes are typically the same size and length but also contain gene segments (bands) in matching locations.

A human karyotype contains _______ autosomes and one set of ______ chromosomes.

The number of chromosomes in each of the final cells made during meiosis is _________ or half the total starting number of chromosomes.

Sperm and egg cells come together and share genetic information during ______________ .

the three cells that DO NOT develop into a mature egg cell are called _______ .

During meiosis there are _____ cell divisions that take place.

During early meiosis, the homologous chromosome pairs become entangled during _______ .

Crossover and recombination can occur between any two replicated chromosome in the nucleus.

Crossover and recombination occurs in Prophase I and Prophase II of meiosis.

Sister chromatids are pulled toward opposite sides of the cell during _______ .

a) Anaphase I

b) Prophase I

c) Metaphase I

d) Anaphase II

Chromosomes are reduced by 1/2 at the end of ________ .

Pairs of homologous chromosomes are pulled toward opposite parts of the cell during __________.

The mechanism by which genetic information is transferred from parent to offspring is called _____ .

The chromosome theory of heredity states that chromosomes carry units of heredity called _____ .

Which of Mendel's laws stated that in every pair of alleles, one is more likely to be expressed than the other. In other words, one allele is dominant and the other allele is recessive.

Failure of homologous chromosomes to separate properly during meiosis; results in gametes with too many or too few chromosomes.

A reproductive cell.

One allele is not dominant over the other

Both alleles contribute to the phenotype

genes that have more than two alleles

traits controlled by two or more genes

skin color is an example of

cats with four different colors

Red and white combine to make a pink flower

Cattle with both an allele for red hair and an allele for white hair