10 Jun BIOL 1408 – In peas the seed coat can by smooth
Question
QUESTION 9
In peas the seed coat can by smooth or wrinkled. A wrinkled seed plant is crossed to a smooth seed plant. The F1 generation is all wrinkled. Which allele is recessive?
wrinkled
smooth
QUESTION 10
In humans, right handed is dominant to left handed. Cross 2 heterozygous right handed parents. What is the phenotypic ratio?
4 : 0
1 : 1
1 : 2 : 1
3 : 1
9 : 3 : 3 : 1
QUESTION 11
In guinea pigs, the allele for short hair is dominant over the long haired allele. Cross a pure breeding short haired guinea pig and a long haired guinea pig. What percentage of the offspring will have short hair?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 12
In humans Huntington’s chorea is a disease caused by having at least 1 dominant allele. Beth finds out that her mother has Huntington’s chorea (Hh), but her dad does not. What is the chance that Beth will have Huntington’s chorea?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 13
In pea plants, tall (T) is dominant to (t) short. If you cross a heterozygous plant to a recessive plant, what phenotypic ratio do you see in the offspring?
4 : 0
1 : 1
1 : 2 : 1
3 : 1
9 : 3 : 3 : 1
QUESTION 14
In humans, brown eyes (B) are dominant to blue eyes (b). If a man has brown eyes, but has a blue eyed child, what must the father’s genotype be?
BB
Bb
bb
You can’t determine the father’s genotype without knowing the mother’s genotype.
QUESTION 15
In humans the lack of pigmentation is called albinism and is a recessive trait. If an albino woman marries a homozygous normal male, how many albino children should they expect?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 16
In humans, tasting a chemical called PTC (phenylthiocarbonyl) is dominant (P) over not tasting PTC (p). If you test cross a dominant tasting parent and half the kids are recessive, what was the genotype of the dominant parent?
PP
Pp
pp
QUESTION 17
In pea plants round seeds are dominant and wrinkled seeds are recessive. The cross Rr x Rr, what percentage of the offspring will be round?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 18
In humans, the allele for short fingers is dominant over that for long fingers. If a person with short fingers who had a parent with long fingers marries a person with long fingers, what are the chances for a child to have short fingers?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 19
An individual that is heterozygous for flower color and for height (PpTt) is test crossed. What is the phenotypic ratio of the offspring? (Hint: the cross is PpTt x pptt!)
9 : 3 : 3 : 1
1 : 1 : 1 : 1
1 : 2 : 1
3 : 1
1 : 1
QUESTION 20
In guinea pigs, the allele for short hair is dominant over the long haired allele. Cross two heterozygous guinea pigs. What percentage of the offspring will have short hair?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 21
In humans, right handed is dominant to left handed. Cross 2 heterozygous right handed parents. What is the genotypic ratio?
4 : 0
1 : 1
1 : 2 : 1
3 : 1
9 : 3 : 3 : 1
QUESTION 22
In pea plants, purple flowers are dominant over white flowers. Two plants, both heterozygous for the gene that controls flower color, are crossed. What percentage of their offspring will have purple flowers?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 23
Black fur in mice (B) is dominant to brown fur (b) and having short tails (T) is dominant over long tails (t). What proportion of the progeny of the cross BbTt x BbTt will have black fur and long tails?
all
9/16 or 56%
3/16 or 19%
1/16 or 6%
none or 0%
QUESTION 24
A TT tall pea plant is crossed with a tt short pea plant. What percentage of the offspring will be tall?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
QUESTION 25
In pea plants purple flowers are dominant to white flowers. If two white flowered plants are crossed, what percentage of their offspring will be white flowered?
All or 100%
3/4 or 75%
1/2 or 50%
1/4 or 25%
none or 0%
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.