Biology - November 2007

2007-11-08 09:48:58 · 0 answers · asked by Bran muffin 1

2007-11-08 09:48:34 · 4 answers · asked by Anonymous

1. a human sperm cell receive autosomes and
a y chromosome always
2. A colorblind woman marries a normal man. Which of the following is true of their children?
a. All will be colorblind.
b. All daughters will be normal and all sons will be carriers.
c. All daughters will be colorblind and all sons will be normal.
d. All daughters will be heterozygous and all sons will be colorblind.
e. It is impossible to predict with any reasonable degree of certainty.
answer is A
3. Why would you predict that half of the human babies born will be males and half will be females?
a. Because of the segregation of the X and Y chromosomes during male meiosis.
b. Because of the segregation of the X chromosomes during female meiosis.
c. Because all eggs contain an X chromosome.
d. a and b.
e. a and c.
ANSWER IS A

2007-11-08 09:38:35 · 1 answers · asked by ,,,,,,,,,,,,,,,,,, 1

Can someone briefly explain the advantage of sexual reproduction as it applies to our population today or as it most likely applied to one of the first unicellular sexual organisms?

2007-11-08 09:36:21 · 2 answers · asked by Anonymous

Also in the case of incomplete dominance and in the case of codominance

2007-11-08 09:23:58 · 2 answers · asked by jamie d 2

2007-11-08 09:12:26 · 6 answers · asked by jamie d 2

2007-11-08 08:39:49 · 10 answers · asked by Jeff E 1

2007-11-08 08:33:30 · 3 answers · asked by chloe 1

If you could explain it to me I would be very happy!

2007-11-08 07:13:54 · 1 answers · asked by Anonymous

...this trait?
A. only his daughters
B. every other son
C. all of his children
D. only his sons
E. none of his children

2007-11-08 06:57:34 · 4 answers · asked by Anonymous

exonerate him from being the father of this child?

2007-11-08 06:25:54 · 6 answers · asked by sonal p 1

and AB. What are the genotypes of the parents?

2007-11-08 06:24:14 · 3 answers · asked by sonal p 1

2007-11-08 06:21:16 · 3 answers · asked by fatandsmooth 5

2007-11-08 06:05:12 · 6 answers · asked by Bill W 【ツ】 6

How does a doctor know if sperm cells are defective?
How big are they?
If a human's is so small, how small must an ant's be?
Do they knock each other out of the way in the fight to the egg?

2007-11-08 05:52:37 · 2 answers · asked by Anonymous

2007-11-08 05:49:27 · 2 answers · asked by sonal p 1

2007-11-08 05:13:22 · 4 answers · asked by Anonymous

2007-11-08 05:12:03 · 5 answers · asked by Anonymous

a right fielder jumps up to catch a fly ball. in this scenario, which of the following is not true?
1) the ball contains potential energy
2)ball has knetic energy
3)ball is dissipating energy as heat
4)baseball player represents an open system
4) base ball player contains kinetic energy

b) The energy stored in a covalent bond is a form of:
1)kinetic 2) heat energy3)entropy 4)chemical 5) potential

c) The process of adding energy to convert ADP to ATP is an example of: 1) phosphorylation 2)catabolism 3)free energy 4)entropy 5)equilibrium

thanks a lot.

2007-11-08 05:06:51 · 1 answers · asked by Anonymous

2007-11-08 04:20:04 · 10 answers · asked by Anonymous

2007-11-08 04:06:27 · 2 answers · asked by Anonymous

I got several different answers, some said on the left side and some said on the right side? Where is it EXACTLY!?

Thanks!

2007-11-08 03:33:55 · 19 answers · asked by Magnix2k 3

How about the the one cell amoeba, does it poop?
How about trees? They need water to survive as we do, how do they release their liquid and solid waste product (besides breathing out oxygen)?

2007-11-08 02:42:14 · 7 answers · asked by Anonymous

plese help get 10 points

2007-11-08 01:45:59 · 4 answers · asked by Anonymous

these scientists used a common kitchen appliance to help show that phage dna carries instructions to make new phage particles. thinking of making milkshake?

2007-11-08 01:28:43 · 2 answers · asked by bratfoever500 1

for biology..

2007-11-08 01:08:14 · 1 answers · asked by Marckie 1

2007-11-08 00:25:56 · 6 answers · asked by Anonymous

In regard to species to living organism and their body, organ proportion, etc...

2007-11-08 00:25:22 · 2 answers · asked by Anonymous

Or do they develop when they are in the pupa stage of the life-cycle?

2007-11-07 21:55:54 · 3 answers · asked by Cookie_Monster_UK 5

a. permanently raises the number of white blood cells in the body

b. creates memory cells that produce specific antibodies

c. causes the disease, which you will only get one time in your life

d. consists of particles that stay in the body permanently and destroy viruses

2007-11-07 17:58:08 · 11 answers · asked by Mimi 2