Hi, can someone check my answers asap!!? i am on a deadline!!
1. What doe the notation TT mean to geneticists? (1 point)
two dominant alleles
heterozygous alleles
at least one dominant allele
one dominant and one recessive allele
2. An organisms genotype is (1 point)
its physical appearance
its combanation of alleles
the mutations it inherits
the crossing over that occurs during meiosis
3. An organisms phenotype is (1 point)
its physical appearance
its combanation of alleles
the mutations it inherits
the crossing over that occurs during meiosis
4. What occurs during meiosis that does not occur during mitosis? (1 point)
chromosomes are passed to offspring
a cell divides in half
the chromosomes number is divided in half
two sex cells combine
5. What is the probability of two tall pea plants, heterozygous for the tall allele, producing a short pea plant?
(1 point)
75%
50%
25%
0%
6. A plant with dark-purple flowers and a plant with white flowers are crossed. All of the offspring have lavender flowers. The alleles for the flower color in this plant are (1 point)
both dominant
both recessive
codominant
incompletetely dominant
7. A plant with dark-red flowers and a plant with white flowers are crossed. All of the offspring have dark red flowers wit white spots. The alleles for the flower color in this plant are (1 point)
both dominant
both recessive
codominant
incompletetely dominant
8. Scientists believe that cancer occurs when (1 point)
cells stop dividing
DNA is damaged and cells grow out of control
body cells begin going through meiosis
cells cannot replicate their DNA
9. The order of the bases along a gene determines (1 point)
the structure of a carbohydrate
the structure of a protein
how DNA is passed down to offspring
how chromosomes are arranged in the nucleus
10. What does messenger RNA do during protein synthesis? (1 point)
copies the coded message from the DNA and carries it into the cytoplasm
copies the coded message from the DNA and carries it into the nucleus
carries amino acids and adds them to the growing protein
copies the coded message from the protein and carries it into the nucleus
11. What is a change in the sequence of DNA base pairs called? (1 point)
an allele
a mutation
mitosis
meiosis
12. A trait is controlled by multiple genes is called (1 point)
polygenic
incompletely dominant
codominant
Mendalian
13. In asexual reproduction, the offspring are (1 point)
not capable of dividing
formed by the fusing of sex cells
genetically identical to their parent
produced by meiosis
My Answers:
A
B
A
C
A
D
C
B
B
A
B
A
C
help asap!!!
A
B
A
C
C
D
C
B
B
A
B
A
C
100% gaureenteed
its
a
b
a
c
c
d
c
b
b
a
b
a
c
nevermind, i got everything right but number 5, it was 25%
Everything is correct except number 5... it is 25%!! I just took the test.
100% correct
This it one 100% for CCA, ON MY LIFE, you will get 100%.
A
B
A
C
C
D
C
B
B
A
B
A
C
Hope this helps!!!!!
100%