| Vocabulary 1 | Vocabulary 2 | Identify the Alleles | Solving Punnett Squares 1 | Solving Punnett Squares 2 |
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What is heredity.
The passing of traits from a parent to an offspring is defined as ___________________.
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A) What is homozygous
B) AA or aa
A) An organism that has two alleles that are the same is referred to as ________________. (50 pts)
B) Provide an example___________. ( 50 pts) |
A) cc
B) CC
A woman with curly hair marries a man who is homozygous dominant for straight hair.
A) What is the genotype of the woman? (50 pts) B) What is the genotype of the man? (50 pts) |
A) 100%
B) 0%
Complete the Punnett Square using the following information: B= Brown eyes / b= blue eyes
Genotype from mom: BB Genotype from dad: bb A) What are the chances (%) of an offspring having a Bb genotype? ____________ B) What are the chances of having bb? |
A) Tt, Tt, tt,tt,
B) 50 % Tall and 50 % Short
A heterozygous tall (Tt) plant is crossed at with a short plant (tt).
A) Genotypes: ______, _____, ________, _____(100 pts) B) Phenotypes: ________ % Tall Plant (50 pts) ________ % Short Plant (50 pts) |
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What is alleles.
The different forms of a trait that a gene may have are represented by_________________
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A) What is heterozygous
B) Aa
A) An organism that has two alleles that are different is referred to as________________. (100 pts)
B) Provide an example______________. (100 pts) |
A) Bb
B) bb
A) Black hair is homozygous dominant-what is the genotype? (100 pts)
B) Blond hair is homozygous recessive-what is the genotype? (100 pts) |
A) Yy, yy
B) 50% Round pea and 50% wrinkled pea
A heterozygous yellow, round pea is crossed with a homozygous green homozygous wrinkled pea.
A) Genotypes: ________, _________ (50 pts each) B) Phenotypes: __________ % round pea (50 pts) _________% wrinkled pea (50 pts) |
A) Ll,Ll, Ll,Ll
B) 100% long tail
Long tails (L) are dominant to short tails in blackbirds. A female short tailed blackbird mates with a
male long tailed blackbird. A) Genotypes: _____, _______,_____, ____ (25 pts each) B) Phenotypes: ________ % Long Tail (100 pts) |
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What is hybrid.
What is a mixture or a combination of two different (opposite) organisms. (Ex. Male donkey and female horse)
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A) What is phenotype.
B) eye color, hair color, height
A) The physical appearance of an organism as a result of the interaction of its genotype is referred to as________. (150 pts)
B) Provide an example______________ (150 pts) |
A) Ff
B) ff
Freckles are recessive. No freckles are dominant.
Determine the alleles for each parent: A) Mom is heterozygous (150 pts) B) Dad is homozygous recessive (150 pts) |
A) Bb, Bb, bb, bb
B) 50 % Black fur 50 % brown fur
A cross between a (heterozygous ) hybrid black dog and a (homozygous) purebred brown dog. Use a
punnett square to help you determine the genotypes and phenotypes of the offspring with black fur and brown fur. A) Genotypes: (150 pts ) B) Phenotypes (% |
A) Hh, Hh, hh, hh
B) 50 % horns and 50% no horns
In bulls, one-horn is dominant and no horns is recessive. A hybrid bull with horns is crossed with a
bull that does not have horns. A) Genotypes: ________, ______, ______,____(150 pts) B) Phenotypes: ________ % horns /no horns % (75 pts) |
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A) What is the dominant trait,
B) What is the recessive trait.
A) The one with the stronger trait. (200 pts)
B) The one with the weaker trait. (200 pts) |
A) What is a genotype.
B) AA, Aa, aa
A) The_________ refers to the entire set of genes in a cell, an organism, or individual. (200 pts)
B) Write down an example (200 pts) |
A) EE
B) ee
Attached earlobes are dominant over free hanging earlobes. Determine the alleles for each parent
A) Mom is homozygous dominant (200 pts) B) Dad is purebred recessive (200 pts) |
A) YY, Yy, Yy, yy
B) 75 % yellow corn / 25 % white corn
A cross between a hybrid yellow corn and another hybrid yellow corn. Yellow is dominant and white is recessive. Draw a punnett square to help determine the genotypes and phenotypes of the offspring.
A) Genotypes: (200 pts) B) Phenotypes:_______%______% |
A) 50 % Rr C) Tongue roller/non tongue roller
B) 50 % rr
R= Tongue Roller and r=non tongue roller
Genotype: Rr X Genotype: rr A. What is the probability of an offspring having an Rr? b. What is the probability of an offspring having an rr? C What is the phenotype of an offspring with Rr and rr? ( 200pts) |
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A) What is the study of genetics.
B) What is a punnett square
A) The study of how traits are inherited through the interactions of alleles. (250 pts)
B) The____________ is the standard way of working out what the possible offspring of two parents will be. (250 pts) |
A) Who is Gregor Mendel
B) Pea Plants
A) Who is the "Father of Genetics?" (250 pts)
B) What did he choose to study in order to learn about heredity? (250 pts) |
A) Tt
B) TT
What are the genotypes of mom and dad?
A) Mom= 5'5" inches tall B) Dad is 6'0" inches tall Use the following to help you determine the alleles: T=tall (5'11"- 6'2") Tt=medium height (5'4"-5'10") t=short (5'3" or smaller) |
A) YY, Yy, Yy, yy
B) 75% yellow peas 25 % white peas
In peas, yellow yellow color is dominate to green. What will be the percentage of a heterozygous female and a heterozygous male be?
A) Genotypes (250 points) B) Phenotypes________%white/ yellow peas (125 pts) |
A) 100% Green Pods and 0% Yellow Pods
B) The dominant gene (G) present masks or hides the recessive trait.
You have the following genotypes: Gg, Gg, Gg, Gg
G=Green and g= yellow A) _________ % Green Pods __________% Yellow Pods (250 points) B) Explain why the offspring with Gg genes for pod color look the same as a pea plant with GG genes for pod color.( 250 p |
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A) BB, BB, Bb,Bb
B) bb x bb Complete the Punnett Square that shows a cross between two brown rabbits whose genetic make ups are Bb and BB.
A) Genotypes: B) What are the genetic make-ups of two parent rabbits whose offspring can only have white fur? __________x__________ |