CA8

Question 1

Give and example of a genotype

Answer 1

DDaa

Question 2

Give an example of a phenotype

Answer 2

Flat fingernails

Question 3

Is this genotype heterozygous dominant, homozygous dominant, or homozygous recessive?
Aa

Answer 3

Heterozygous

Question 4

Is this genotype heterozygous dominant, homozygous dominant, or homozygous recessive
CC

Answer 4

Homozygous dominant

Question 5

Is this genotype heterozygous dominant, homozygous dominant, or homozygous recessive
yy

Answer 5

Homozygous recessive

Question 6

Why does the human make responsible for determining the sex of his offspring?

Answer 6

It’s a 50/50 chance if it’s a boy or girl cause normally females always donate a X chromosome which makes it a girl, if it’s a boy then the male will donate a Y chromosome to the X which makes a boy

Question 7

How can a brown mouse and a black mouse produce only babies with black fur? What can be said regarding the genotype for fur color of each parent?

Answer 7

Cause if both hamsters are heterozygous there’s a 25% chance they pass on a b allele producing bb (black fur)

Question 8

What is incomplete dominance

Answer 8

It’s when two traits (colors) combine and meet in the middle to make a solid color
Ex: red flower and white flower do incomplete dominance and it creates a solid pink flower

Question 9

What is co-dominance

Answer 9

Co dominance is when both traits are displayed
Ex: red and white flower makes a flower with some red petals, and some white petals.

Question 10

What does symbiosis mean?

Answer 10

Symbiosis is a close, long term interaction between two species

Question 11

Describe mutualism

Answer 11

a type of symbiotic relationship between two different species where both species benefit from the interaction

Question 12

Describe commensalism

Answer 12

a symbiotic relationship where one organism benefits while the other is neither helped nor harmed

Question 13

Describe parasitism

Answer 13

a relationship between two organisms where one, the parasite, benefits at the expense of the other, the host

Question 14

Give an example of mutualism

Answer 14

The bee collects nectar from a flower, the flower gets pollinated

Question 15

Give an example of commensalism

Answer 15

The frog uses plants as protection

Question 16

Give me an example of parasitism and how does this relation ship affect the genes/alleles in the affected populations over time?

Answer 16

A parasite connected to an ant, the parasite can zombify the thing it takes over and then it leaves to zombify more of the same species