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vovikov84 [41]
3 years ago
12

The sex of mammals is determined by:

Biology
1 answer:
Ahat [919]3 years ago
6 0
<span>b. the type of sex chromosomes received.

Hope this helps!
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Levels of organization small to large: cell , organelle, organism, atom, organ system, tissue, molecule, and organ
Dmitry_Shevchenko [17]
Atom, molecule, organelle, cell, tissue, organ, organ system, organism
6 0
3 years ago
Insects have three body parts in six legs true or false
labwork [276]

True, all INSECTS have this.

3 0
3 years ago
Disregard question number 5! But pleaseeee help me with 1-4
sergiy2304 [10]

Answer:

1. The process in which organisms find and colonize a near lifeless area.

2. They are different from each other because secondary supports life, as primary does not.

3. Pioneer species is a hardly classified species which establish themselves in  a disrupted ecosystem and trigger the process of ecological succession.

4. Biotic factors support life and the aspects. Abiotic factors involve external life. They interact with each other when the abiotic provide for the biotic.

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5 0
3 years ago
One of Mendel’s principles also describes how different genes assemble unregulated with one another when reproductive cells deve
Lisa [10]

Ansnswer:

False.

No Mendel principled talk about how different genes assemble unregulated with one another to develop reproductive cells

Explanation:

Gregor Mendel was a scientist and the founder of modern science genetics. He made so findings in 1865 and He proposed three laws and they are;

Law of independent assortment which states that two alleles from different genes separated independently to form gamete.

Law of segregation states that a pair of gene separated to for reproductive cells.

Law of dorminant inheritance states that in heterozygote, dorminant allele will masked the recessive allele.

5 0
3 years ago
Read 2 more answers
I’m having trouble understanding this can someone plz explain?
Leni [432]

Answer:

look at the pictures

Explanation:

1. If we cross the parental generation which is RR x rr, the probability of the F1 generation to get  rough coat is 100% and they will be a carrier of the recessive trait smooth coat.

Since the phenotypic ratio is 100% heterozygous Rr, in crossing the F1 to get the F2, we will use the genotype Rr. To get the F2, use the cross  Rr x Rr.

The phenotypic ration for F2 is 3:1. There is 75% to get rough coat and 25% smooth. The answer is based on the result on the Punnett square. On the other hand, the genotypic ratio is 1:2:1. There is 25% probability to get RR genotype, 50% Rr, and 25% rr.

2. Since the two parental mice got 6 albino offspring and 5 brown mice offspring, it is approximately 50%. it takes a parental mice who is Brown that is carrying an albino trait crossed with an albino to get offspring with almost the same number. Therefore, the genotype of the brown mice is Aa.

8 0
2 years ago
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