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Amiraneli [1.4K]
4 years ago
6

BIOLOGY HELP

Biology
1 answer:
yuradex [85]4 years ago
8 0

Answer:

100%

Explanation:

The probability is shown by the punnet square below. While the genotype of 50% of the offspring may be heterozygous, since the allele for straight hair is dominant over that of curly hair, their phenotypes too will be of straight hair similar to the homozygous dominant offspring.

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What did Darwin discover about plants from his phototropism experiments?
mel-nik [20]

Answer:

https://www.biology-pages.info/T/Tropisms.html

Explanation:

This link holds all the information you need :D

7 0
3 years ago
a reduction of the size of a population to single or few individuals resulting in loss of genetic variation is known as the ____
makvit [3.9K]

Answer:

Bottleneck effect

Explanation:

The Bottleneck effect is when species go through an event that reduces its population. The ones that survive have reduced genetic diversity compared to the original population since fewer individuals means there are fewer genotypes.

3 0
3 years ago
13. Explain why a characteristic which helps an animal to live longer will generally tend to become more
ivolga24 [154]

Answer:

Since it will help the individual live longer, there is a greater chance that it will reproduce than those with lesser favorable traits. Thus the next generation will resemble the parents with the favorable triat more.

Explanation:

Hope this help

plz mark brainliest

Have a nice day!!!!!

8 0
3 years ago
In guinea pigs the allele for black fur (B) is dominant over the allele for brown fur (b), and the allele for short fur (F) is d
galben [10]

Answer:

100%

Explanation:

This question involves two genes in guinea pigs; one coding for fur color and the other for fur length. The alleles of black fur (B) and short fur (F) is dominant over the alleles for brown fur (b) and long fur (f).

In a cross between two offsprings with genotypes: BBFF x bbff, the following gametes will be produced by each parent:

BBFF - BF, BF, BF, and BF

bbff - bf, bf, bf, bf

Using these gametes in a punnet square (see attached image), one will notice that all of the offsprings will have the genotype: BbFf i.e all or 100% of the offsprings are heterozygous for both of the genes or traits.

5 0
3 years ago
What is an example of a physical weathering? (1 point)
Travka [436]
B Bits being blown off a rock by heavy winds
7 0
3 years ago
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