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Nookie1986 [14]
3 years ago
13

Who is responsible for the sex of the offspring male or female .why?

Biology
2 answers:
Ad libitum [116K]3 years ago
4 0
Male, because they select the gene because xx girl and xy is boy. so he chooses x or y.
devlian [24]3 years ago
4 0
Only the male because when their 4 gametes are generated from meiosis, 2 will carry the Y chromosome and 2 will carry the X chromosome. 
The female's 4 gametes will all only carry the X chromosome. 
Males are only created when Y from the male gamete fuses with a X egg from the female. 
Females are only created when X froth male gamete fuses with a X egg from the female.
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The information carried by a dna molecule is in __________.
Papessa [141]

Answer:

Sequence of nucleotides in the DNA strand

Explanation:

Deoxyribonuceic acid or DNA is a biological material that stores the genetic information of an organism.

DNA encodes the information through the order or sequence of the nuceotides along each strand. Organisms differ from one another because their respective DNA molecule have different nucleotide sequences and consequently, carry different biological instructions.

A DNA strand consists of two polynucleotide chains, composed of four nucleotide subunits. Each of these chains is known as DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together. DNA nucleotides are composed of a 5-carbon sugar (Deoxyribose) to which are attached one phosphate group and a nitrogenous base (Adenine, Guanine, Cytosine and Thymine). The nucleotides are covalently linked together.

5 0
3 years ago
How do animals help to pollinate flowers
Komok [63]
Usually plants rely on animals or the wind to pollinate them. When animals such as bees, butterflies, moths, flies, and hummingbirds pollinate plants, it's accidental. They are not trying to pollinate the plant. When they move to another flower to feed, some of the pollen can rub off onto this new plant's stigma.
3 0
3 years ago
give an example of what the failure on an organ have on other organ systems? pls write your answer short! Thanks in advance!
devlian [24]
Hey this is late, but if an organ fails, like for example the kidney fails right? So then it affects the heart. and so on, because the kidney helps clean the blood and your body needs blood.
8 0
3 years ago
Scientists studied reproduction in the New Zealand mud snail. They wanted to determine whether reproducing sexually or asexually
lubasha [3.4K]

A hypothesis is a claim that expresses a relationship between variables. D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

<h3>What is a hypothesis?</h3>

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, but not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes in order to predict what is going on or what is expected to occur.

A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relationship between the involved variables. It must be objective. Usually, it is written in the present time.

There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative.  

In the exposed example, researchers wanted to determine whether reproducing sexually or asexually was more beneficial for the snails.

Options,

A) <em>Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation. </em>

The benefit of reproducing sexually is that the risk of mutation is lower.

B) <em>Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring.</em>

<em />

The benefit of reproducing asexually is that a higher number of descendants are produced, which increases reproductive success.

C) Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation.

The benefit of reproducing sexually is that it increases genetic variation.

D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

The benefit of reproducing asexually is that there is no need for social interaction.

Social interaction does not really benefit snails as a species. This is not a variable that might influence in a significant way snails.

However, variables like the mutation rate, variability, and the number of descendants are useful to test how they benefit or not the snails.  

The hypotheses that would least likely aid the scientists to answer the question is <u>option D</u>.

You can learn more about hypothesis at

brainly.com/question/2657326

brainly.com/question/24897727

#SPJ1  

3 0
1 year ago
Why do you think it's important for scientists to study plate tectonics? Explain.
Debora [2.8K]
Scientists are helping to improve understanding of how rocks in Earth's hot, deep interior enable the motions of tectonic plates, which regulate the water cycle that is critical for a habitable planet.
6 0
3 years ago
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