Biology - January 2007

is produced, indicate the proportion of each type.
2. What explanations might be proposed for the relationship between increaing naternal age and the increasing frequency of Down's syndrome?

2007-01-03 09:41:04 · 6 answers · asked by iqbalkhanayesha 2

2007-01-03 09:35:29 · 0 answers · asked by Anonymous

This defect results from the domainance of the defective gene (P) over the normal allele (p).
A. If a man with polydactylyl marries a normal woman, what are the possible genotypes of their children.
B. What are the phenotypes of these genotypes?
C. If two individiuals heterozygous for this trait marry, what are the possible genotypes of their children?
D. What are the phenotypes of these genotypes?

2007-01-03 09:34:24 · 2 answers · asked by iqbalkhanayesha 2

in biology

2007-01-03 09:32:06 · 3 answers · asked by Sumcraft 1

Will this individual be male or female?b. How many Barr bodies (sex chromatin bodies) will the zygote have?
c. If an X-containing egg is fertilized by a Y-containing sperm, an XY zygote will be formed. Will it be male or female?d. How many Barr Bodies will it have?

2007-01-03 09:26:50 · 8 answers · asked by iqbalkhanayesha 2

2007-01-03 09:24:11 · 1 answers · asked by jessica_stay 1

do males or females generally sleep more in terms of the number of hours slept each night

2007-01-03 09:24:07 · 1 answers · asked by miz 2

Would a brain work if it had ordinary nerve cells and no neurons?

2007-01-03 09:16:26 · 3 answers · asked by The Lord 1

like wht might it cause

2007-01-03 08:57:38 · 3 answers · asked by sagar g 2

2007-01-03 08:31:44 · 5 answers · asked by Me<3JB 2

the concentration gradient in the organism's environment?

2007-01-03 08:30:56 · 1 answers · asked by Me<3JB 2

2007-01-03 08:30:09 · 1 answers · asked by Me<3JB 2

2007-01-03 08:29:01 · 1 answers · asked by Me<3JB 2

And...why can't we use more than 10% of our brains? Then what's the other 90% for?

2007-01-03 08:25:09 · 10 answers · asked by Anonymous

2007-01-03 08:20:00 · 27 answers · asked by joanne f 2

2007-01-03 07:44:53 · 3 answers · asked by NEpatriots12 2

Piano or playing in a basketball game???

2007-01-03 07:43:38 · 1 answers · asked by Anonymous

i just need the major ones, up to 15, plant oraganelles not included...

thanx!

2007-01-03 07:15:02 · 7 answers · asked by CoelisLilies 2

cell with a cell that is not undergoing mitosis. Explain.
(had to finish question here)

2007-01-03 07:00:05 · 4 answers · asked by Kocoa 1

2007-01-03 06:58:43 · 4 answers · asked by Anonymous

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2007-01-03 06:49:55 · 3 answers · asked by CRUNK 2

2007-01-03 06:38:59 · 8 answers · asked by Kocoa 1

Why are we here and where is humanity and all of life and the universe going?

Use any evidence that you can.

Danke!!

2007-01-03 06:37:13 · 4 answers · asked by ? 6

same paper different ??

2007-01-03 06:36:00 · 2 answers · asked by Kocoa 1

2007-01-03 06:31:39 · 12 answers · asked by Sam M 1

Mitochondrion, Ribosome, Endoplamic Reticulum, Golgi Apparatus, Lysosome, Microfilaments, microtubules, cilia and flagella, nucleus, cell wall, vacuole, plastid. Its for a biology project that i have to do. thanks

2007-01-03 06:21:22 · 8 answers · asked by LO 2

What happens when electrons of a chlorophyll molecule are raised to a higher energy level?

2007-01-03 06:19:19 · 3 answers · asked by jessica a 1

What are the major roles of seeds (and fruits) in the plant life cycle? What mechanisms allow these roles to be accomplished?

2007-01-03 06:16:27 · 5 answers · asked by Mickey 1

2007-01-03 06:15:17 · 4 answers · asked by ? 6

I am doing a paper for school and it says to compare the amount of DNA in a human liver cell to the amount in a human kidney cell. I have looked all through my book and found nothing. Please Help!!

2007-01-03 06:13:17 · 5 answers · asked by Kocoa 1